Zero is the only value that has no sign attached to it and, thus, is considered its own opposite. Example 1. Find the opposite of the integer: -4. Solution. Since the 4 is negative, the opposite ...Testing solutions to absolute value inequalities. In this math lesson, we learn how to determine if given values of x satisfy various absolute value inequalities. We examine three different inequalities and test each x value to see if it meets the inequality's conditions.The distance between a complex number and the origin on the complex plane . The absolute value of a + bi is written | a + bi |, and the formula for | a + bi | is √a2+b2 a 2 + b 2. For a complex number in polar form r (cos θ + i sin θ) the modulus is r. See also. Real number, imaginary number , argument of a complex number.Absolute Value. The absolute value (or modulus) of a real number is the corresponding nonnegative value that disregards the sign. For a real value, a, the absolute value is: a, if a is greater than or equal to zero. -a, if a is less than zero. abs(-0) returns 0.Question 448581: what is the absolute value of 4+7i. Answer by jim_thompson5910 (35256) ( Show Source ): You can put this solution on YOUR website! Start with the absolute value of a complex number formula. This is also known as the magnitude of a complex number formula. Plug in and . Square to get.Solution. Already the absolute value expression is isolated, therefore assume the absolute symbols and solve. | x + 2 | = 7 → x + 2 = 7. Subtract 2 from both sides. x + 2 - 2 = 7 -2. x = 5. Multiply 7 by -1 to solve for the negative version of the equation. x + 2 = -1 (7) → x + 2 = -7. Subtract by 2 on both sides.The local minimum value of \(f\) is the absolute minimum value of \(f\), namely \(-1\); the local maximum and absolute maximum values for \(f\) also coincide - they both are \(1\). Every point on the graph of \(f\) is simultaneously a relative maximum and a relative minimum.The absolute value of a number is the actual distance of the integer from zero, in a number line. Therefore, the absolute value is always a positive value and not a negative number. We will use the following approaches to find the absolute value of a number: Using If Statement;Apr 8, 2023 · The positive real number 4 is the absolute value of $-4$. In mathematics, the absolute value of a real number is the non-negative value without regard to its sign. For example, the absolute value of $3$ is $3$, and the absolute value of $−3$ is also $3$. The absolute value of a number is denoted by two vertical bars on either side of the ... The absolute value of a number is the actual distance of the integer from zero, in a number line. Therefore, the absolute value is always a positive value and not a negative number. We will use the following approaches to find the absolute value of …This page titled 2.4: Inequalities with Absolute Value and Quadratic Functions is shared under a CC BY-NC-SA 3.0 license and was authored, remixed, and/or curated by Carl Stitz & Jeff Zeager via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.5.4. Absolute values and the triangle inequality. The triangle inequality is a very simple inequality that turns out to be extremely useful. It relates the absolute value of the sum of numbers to the absolute values of those numbers. So before we state it, we should formalise the absolute value function.Give a new lease of life to your practice with our free absolute value inequalities worksheets. Clear the absolute-value bars by splitting the inequality into two pieces. Instruct grade 8 students to find the boundary points by solving each basic, one-step, and two-step absolute value inequality in this batch of printable worksheets.It include all complex numbers of absolute value 1, so it has the equation | z | = 1. A complex number z = x + yi will lie on the unit circle when x2 + y2 = 1. Some examples, besides 1, -1, i, and - 1 are ±√2/2 ± i √2/2, where the pluses and minuses can be taken in any order. They are the four points at the intersections of the ... We would like to show you a description here but the site won’t allow us. Absolute Operator @ Besides the ABS() function, you can use the absolute operator @: @ expression. In this syntax, the @ operator returns the absolute value of the expression. Examples. The following example shows how to use the ABS() function to calculate the absolute value of a number: SELECT ABS (-10.25) result; Code language: CSS (css) The ...The absolute value of any number is either zero [latex](0)[/latex] or positive. It makes sense that it must always be greater than any negative number. The answer to this case is always all real numbers. Examples of How to Solve Absolute Value Inequalities. Example 1: Solve the absolute value inequality.Textbook Question. When 3 times a number is subtracted from 4, the absolute value of the difference is at least 5. Use interval notation to express the set of all numbers that satisfy this condition. Verified Solution. This video solution was recommended by our tutors as helpful for the problem above. 5m.Compare the f (x) f ( x) values found for each value of x x in order to determine the absolute maximum and minimum over the given interval. The maximum will occur at the highest f (x) f ( x) value and the minimum will occur at the lowest f (x) f ( x) value. Absolute Maximum: (4,15) ( 4, 15)Welcome to the Two Numbers Absolute Value Calculator. This calculator calculates the two numbers that have the absolute value of any number. Please enter your number below to find the two numbers that have it as their absolute value. Here are some examples of what our calculator can explain and answer. What two numbers have an absolute value of 6?The absolute value is a special case of parentheses. We do the work inside the parentheses 1st. The absolute value gets applied to the result, not the parts. Consider this numeric example: |3 (5)-9|. 1) Using PEMDAS: Mulitply, substract, then do absolute value once there is one number. |3 (5)-9| = |15 -9| = |6| = 6.Understanding Absolute Value. Recall that in its basic form f (x) = |x|, f ( x) = | x |, the absolute value function is one of our toolkit functions. The absolute value function is commonly thought of as providing the distance the number is from zero on a number line. Algebraically, for whatever the input value is, the output is the value ... The absolute value of a number is its distance from zero on a number line . For instance, 4 and − 4 have the same absolute value ( 4 ). So, the absolute value of a positive number is just the number itself, and the absolute value of a negative number is its opposite. The absolute value of 0 is 0 . Easy! There is are four solutions to this absolute value equation: -4, 3, -3, and 2. Example 4: Solve the absolute value equation . View a video of this example Be careful on this one. It is very tempting to set this up the same way we did example 2 or 3 above, with two solutions. ...One way of thinking of the concept of absolute numbers is that it is the distance of that number from 0 – -4 is four away from 0, while 4 is also four away from 0. Example. What is the absolute value of the following numbers? -4, -18.2, and 17 1/3-4 – the absolute value is 4, as -4 is four numbers from 0.-18.2 – the absolute value is 18.2 ...Also, the absolute value of -4 is written as |-4|. As we discussed earlier, the absolute value results in a non-negative value all the time. Hence, |4|=|-4| =4. That is, it turns negative numbers also into positive numbers. The following figure represents the absolute value symbol. Absolute Value of a Number.The absolute value of a number a, denoted |a|, is the positive distance between the number and zero on the number line. It is the value of the corresponding "unsigned" number -- that is, the number with the sign removed. Boundary Point A value of the variable that makes the equation true when an equal sign is substituted for an inequality sign ...Absolute value as distance between numbers. Report a problem. Loading... Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.The absolute value of the number plotted on the number line is; 0.5. How to find Absolute Value? The absolute value (or modulus) | x | of a real number x is the non-negative value of x without regard to its sign.For example, the absolute value of 5 is 5, and the absolute value of −5 is also 5. The absolute value of a number may be thought of as its distance from zero along real number lineFor example, the absolute value of 5 is 5, and the absolute value of −5 is also 5. The absolute value of a number may be thought of as its distance from zero along real number line. Furthermore, the absolute value of the difference of two real numbers is the distance between them. The absolute value has the following four fundamental properties: Free absolute value equation calculator - solve absolute value equations with all the steps. Type in any equation to get the solution, steps and graph. With the absolute value calculator, the function abs can calculate the absolute value online of a number. To calculate the absolute value of a number, just enter the number and to apply the function abs. Thus, for calculating the absolute value of the number -5, you must enter abs ( − 5 - 5) or directly -5, if the button abs already appears ...This page titled 4.4: Absolute Value Inequalities is shared under a CC BY-NC-SA 2.5 license and was authored, remixed, and/or curated by David Arnold via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.In this case, a = 4 and b = -3, so: |4 - 3i| = √ ( (4)^2 + (-3)^2) = √ (16 + 9) = √25 = 5. So, the absolute value of 4 - 3i is 5. The absolute value of the complex number 4 - 3i, represented as |4-3i|, is equal to 5. This conclusion is reached by applying the formula for absolute value. Option D is answer. Learn more about complex number ...For example, the numbers 2 and -2 have a distance of 2 from 0, so their absolute value is the same, even though their sign is not: |2| = 2. |-2| = 2. The absolute value of 0 is 0. The absolute value function, f (x) = |x|, can be described as a piecewise function: f (x) =. -x, x < 0.The absolute value of the number is defined as its distance from the origin. For example, to find the absolute value of 7, locate 7 on the real line and then find its distance from the …2. Make the number in the absolute value sign positive. At its most simple, absolute value makes any number positive. It is useful for measuring distance, or finding values in finances where you work with negative numbers like debt or loans. [2] 3. Use simple, vertical bars to show absolute value.Facts about Absolute Value 4: absolute value in mathematics. Absolute value is one of the important topics in mathematics. You can also find it in other mathematical settings. The ordered rings, quaternions, complex numbers, and vector spaces are defined using absolute value. Absolute Value Learning.👉 Learn how to graph absolute value equations when we have a value of b other than 1. B will affect our horizontal shift as well as horizontal stretch compr...Answer by MathDazed (34) ( Show Source ): You can put this solution on YOUR website! The absolute value of any number whether positive or negative....is it's positive value. For example the absolute value of (-3) or written |-3| is 3 and the absolute value of |6| is 6. To your question the absolute value of -4/9 is 4/9.1. report flag outlined. Answer: 4/25 is the absolute value of -4/25. Step-by-step explanation: The absolute value of a number is the distance a number is from 0. For example 3 would be the same distance from 0 as -3. Hope this helped you understand more about absolute value! Thank you so much that is exactly what I needed. report flag outlined.http://www.greenemath.com/In this video we explain how to find the absolute value of a number. What is the absolute value of a number? The absolute value of ...The absolute value of a number a, denoted |a|, is the positive distance between the number and zero on the number line. It is the value of the corresponding "unsigned" number -- that is, the number with the sign removed. Boundary Point A value of the variable that makes the equation true when an equal sign is substituted for an inequality sign ...In an absolute value equation, an unknown variable is the input of an absolute value function. If the absolute value of an expression is set equal to a positive number, expect two solutions for the unknown variable. An absolute value equation may have one solution, two solutions, or no solutions.The absolute value of 4-7i to the square root of. verified. Verified answer. 4. The distance between a + 7i and -8 + 4i is Square root of 130 units The positive value of a is . star. 4.8/5. heart. 24. verified. Verified answer. Jonathan and his sister Jennifer have a combined age of 48.Answer by MathDazed (34) ( Show Source ): You can put this solution on YOUR website! The absolute value of any number whether positive or negative....is it's positive value. For example the absolute value of (-3) or written |-3| is 3 and the absolute value of |6| is 6. To your question the absolute value of -4/9 is 4/9.For its absolute value, i.e |z| = |-4 +i4| Which is the distance of this point in the Argand plane from the origin. for calculating the absolute value of any imaginary point Z = x+iy, |Z| = |x+iy| |Z| = sqrt (x^2 + y^2) Use the above concepts and find the absolute value of the above imaginary point on your own.To find the interval for the first piece, find where the inside of the absolute value is non-negative. x2 + 4x+4 ≥ 0 x 2 + 4 x + 4 ≥ 0. Solve the inequality. Tap for more steps... All real numbers. Since x2 +4x+4 x 2 + 4 x + 4 is never negative, the absolute value can be removed. x2 + 4x+4 x 2 + 4 x + 4. Free math problem solver answers ...1. Apr 19, 2009. #1. This is one of the questions on my homework assignment. I need to find the absolute value of a 4-bit binary number. I know that I don't need to do anything to the first 8 positive numbers to find the absolute value, but my problem is with the last 8 negative numbers. I know that I need to use two's complement to invert the ... Unit 10: Absolute value & piecewise functions. Piecewise functions piece together different functions. Absolute value graphs make a V shape, but why do they do that? Let's explore how to make some new and interesting types of graphs. So, mathematically, we take the absolute value of the result. For example, -0.45 would interpreted as 0.45. This means that, along the demand curve between points B and A, if the price changes by 1%, the quantity demanded will change by 0.45%. A change in the price will result in a smaller percentage change in the quantity demanded.Explanation: absolute value function like y = |x − 2|. can be written like this: y = √(x −2)2. apply differentiation : y' = 2(x −2) 2√(x − 2)2 → power rule. simplify, y' = x − 2 |x − 2| where x ≠ 2. so in general d dx u = u |u| ⋅ du dx. I will put this on double check just to be sure.Linear and Absolute Value Function Families. In this Concept we will examine several families of functions. A family of functions is a set of functions whose equations have a similar form. The parent of the family is the equation in the family with the simplest form. For example, y = x 2 is a parent to other functions, such as y = 2x 2 - 5x + 3.It says absolute of 4 and -3, which the absolute of 4 is -4 and the absolute of -3 is 3. So the distance between the two absolutes is 7 so your answer is 7Absolute value. In this section you'll learn how to the find the absolute value of integers. In this pattern you can see that 4 - 5 is equal to a negative number. A negative number is a number that is less than zero (in this case -1). A negative number is always less than zero, 0. We can study this in a diagram by using two examples: 0 - 4 = -4 ... More Examples. Here are some more examples of how to handle absolute values: |−3×6| = 18. Because −3 × 6 = −18, and |−18| = 18. −|5−2| = −3. Because 5−2 = 3 and then the first minus gets us −3. −|2−5| = −3. Because 2−5 = −3 , |−3| = 3, and then the first minus gets us −3. −|−12| = −12. Because |−12| = 12 and then the first minus gets us −12. Comparing absolute values. Comparing absolute values helps us understand the distance between numbers and zero on the number line. The absolute value is always positive or zero, and it represents the magnitude of a number. By comparing absolute values, we can determine which number is further from zero, regardless of its positive or negative ...We can see the following: The output values of the absolute value are equal to 4 at x = 1 and x = 9. The graph of f is below the graph of g on 1 < x < 9. This means the output values of f(x) are less than the output values of g(x). The absolute value is less than or equal to 4 between these two points, when 1 < x < 9.We start with an average, or measurement of the center, of a data set, which we will denote by m.; Next, we find how much each of the data values deviates from m.This means that we take the difference between each of the data values and m.; After this, we take the absolute value of each of the difference from the previous step. In other words, …The absolute value of a number or integer is the actual distance of the integer from zero, in a number line. Therefore, the absolute value is always a positive value and not a negative number. We can define the absolute values like the following: { a if a ≥ 0 } |a| = { -a if a < 0 }This lesson is about graphing an absolute value function when the expression inside the absolute value symbol is linear. It is linear if the variable “[latex]x[/latex]” has a power of [latex]1[/latex]. The graph of absolute value function has a shape of “V” or inverted “V”. Absolute Value Function in Equation Form. The absolute value of 4 is 4. The formal definition of the absolute value of a number x, denoted | x |, is the distance... See full answer below. Absolute value inequalities are often used in the manufacturing process. An item must be made with near perfect specifications. Usually there is a certain tolerance of the difference from the specifications that is allowed. If the difference from the specifications exceeds the tolerance, the item is rejected.In order to "undo" the absolute value signs, we could either get a positive or negative value, since the absolute value of \( - 5 \) is the same as the absolute value of \( 5 \), which is \( 5 \). This becomes a method where we have multiple cases. The main steps (for dealing with linear/multiple linear absolute value inequalities) areSo, mathematically, we take the absolute value of the result. For example, -0.45 would interpreted as 0.45. This means that, along the demand curve between points B and A, if the price changes by 1%, the quantity demanded will change by 0.45%. A change in the price will result in a smaller percentage change in the quantity demanded.Explanation: Absolute (denoted by the vertical bars) means that everything between them is converted to non-negative. So | −4| = 4 and so is |4| = 4. Answer link. |4| is allready an absolute value, equal to 4 Absolute (denoted by the vertical bars) means that everything between them is converted to non-negative.Absolute value refers to a point's distance from zero or origin on the number line, regardless of the direction. The absolute value of a number is always positive. The absolute value of a number is denoted by two vertical lines enclosing the number or expression. For example, the absolute value of the number 5 is written as, |5| = 5.Jun 11, 2020 · Absolute Value: An absolute value is a business valuation method that uses discounted cash flow (DCF) analysis to determine a company's financial worth. The absolute value of − 4 is also 4 : A number line from negative 5 to 5 with evenly spaced tick marks in increments of 1. Above the number line is a bracket labeled 4 that starts at negative 4 and ends at 0.The numbers that have an absolute value of 4.6 are 4.6 and -4.6. This is because absolute value refers to the distance a number is from zero on the number line, regardless of direction. In Mathematics, the absolute value of a number is its distance from zero on the number line and is always nonnegative. In this case, you're asked to find ... Now that we can graph an absolute value function, we will learn how to solve an absolute value equation. To solve an equation such as 8 = | 2 x − 6 |, 8 = | 2 x − 6 |, we notice that the absolute value will be equal to 8 if the quantity inside the absolute value is 8 or -8. This leads to two different equations we can solve independently. Absolute Value Equation Solver Shows Work, Steps for | AX +C | = D. Worksheet on Abs Val Equations. Abs Val Lesson. Absolute Value Equations Solver. Enter any values and this solver will calculate the solution(s) for your equation and show all work, including checking for extraneous solutions!Absolute Value: Symbol. Absolute value of a number is represented by writing the number between two vertical bars. Note that the vertical bars are not to be confused with parentheses or brackets.. The absolute value of x is represented by |x|, and we read it as “absolute value of x.”It is also read as “modulus of x.”Sometimes, the absolute value …4. Write in symbols: The absolute value of a number, n, is 15. This is a page from the dictionary MATH SPOKEN HERE! , published in 1995 by MATHEMATICAL CONCEPTS, inc., ISBN: 0-9623593-5-1.Question 448581: what is the absolute value of 4+7i. Answer by jim_thompson5910 (35256) ( Show Source ): You can put this solution on YOUR website! Start with the absolute value of a complex number formula. This is also known as the magnitude of a complex number formula. Plug in and . Square to get.To simplify the given expression, first square three tenths, then calculate the absolute value and divide. Finally, add the results to get-11.57. Explanation: To simplify the expression, we need to follow the order of operations (PEMDAS/BODMAS). Let's break down the expression step by step: Square three tenths: (3/10)2 = 9/100.Scale & reflect absolute value graphs. The graph of y = | x | is scaled vertically by a factor of 6 . What is the equation of the new graph? Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more.Eosinophils make up 0.0 to 6.0 percent of your blood. The absolute count is the percentage of eosinophils multiplied by your white blood cell count. The count may range a bit between different ...Absolute Value = $1,394.70 million. Now, we will calculate the fair value of the stock, which is as follows: -. The Absolute Valuation of the Stock = Absolute Valuation of the Company / Number of Outstanding Shares. = $1,394.70 million/60,000,000. Calculation of Absolute Valuation of Stock. The Absolute Valuation of the Stock = $23.25.In the example above, the absolute value of -3 is 3, as its distance from zero is three units. Similarly, the absolute value of 2 is also 2, since it is two units away from zero. 4 Python Absolute Value Functions. After reviewing the basics, let's get into the implementation of absolute values in Python.Absolute Value. The absolute value of a real number is denoted and defined as the "unsigned" portion of , where is the sign function. The absolute value is therefore always greater than or equal to 0. The absolute value of for real is plotted above. The absolute value of a complex number , also called the complex modulus, is defined as.This paper designs a 4-bit absolute value detector using CMOS logic and Pass-Transistor Logic (PTL). It can compare the input binary number with the set threshold, which can detect the peak signal to reduce the interference of noise and improve the detection accuracy of the signal. This paper innovatively uses the full adder to design the ...This page titled 1.2: Solving Absolute Value Equations is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by OpenStax via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.The absolute value of -4 is 4, because it is four units to the right of zero on the number line. Learn how to simplify, compare and use absolute values with examples and exercises.Explore this ensemble of printable absolute value equations and functions worksheets to hone the skills of high school students in evaluating absolute functions with input and output table, evaluating absolute value expressions, solving absolute value equations and graphing functions. Give a head-start to your practice with the free worksheets ...As mentioned earlier, the absolute value of a number tells us the distance of a number from zero on a number line. It is easy to understand the absolute value of integers (or any number) using the number line. Example: The absolute value of 8 is 8. | 8 | = 8. Note that the absolute value of - 8 is also 8.You can see whether x=2 is a local maximum or minimum by using either the First Derivative Test (testing whether f'(x) changes sign at x=2) or the Second Derivative Test (determining whether f"(2) is positive or negative). However, neither of these will tell you whether f(2) is an absolute maximum or minimum on the closed interval [1, 4], which is what the Extreme Value Theorem is talking ...Absolute Value. The absolute value (or modulus) of a real number is the corresponding nonnegative value that disregards the sign. For a real value, a, the absolute value is: a, if a is greater than or equal to zero. -a, if a is less than zero. abs(-0) returns 0.Returns a value of the same type that is passed to it specifying the absolute value of a number. Syntax. Abs(number) The required number argument can be any valid numeric expression. If number contains Null, Null is returned; if it is an uninitialized variable, zero is returned. Remarks. The absolute value of a number is its unsigned magnitude.A complex number is any number of the form x + yi where x,y are real numbers and i is the imaginary number √ (-1). (All real and imaginary numbers are also complex numbers.) Let N be the complex number x + yi. The complex conjugate of N is equal to x - yi. The modulus of N is √ (x^2 + y^2). The modulus N and its conjugate are equal.3. I would guess it is your first option. A usual terminology in calculus is about absolute and relative (or local) maxima and minima. The absolute maximum would be then max{f(x): x ∈ [−2, 4]} max { f ( x): x ∈ [ − 2, 4] }. The phrase "absolute maximum value " probably has to do with the fact that when looking at extrema of functions ...Assuming "absolute value" is a math function | Use as. referring to a mathematical definition.
Absolute Value: Symbol. Absolute value of a number is represented by writing the number between two vertical bars. Note that the vertical bars are not to be confused with parentheses or brackets.. The absolute value of x is represented by |x|, and we read it as “absolute value of x.”It is also read as “modulus of x.”Sometimes, the absolute value …. Where can i watch the shift movie 2023
Ex-1 : We are given an approximate value of π is 22/7 = 3.1428571 and true value is 3.1415926. Calculate absolute, relative and percentage errors? Solution - We have True value X= 3.1415926, And Approx. value X 1 = 3.1428571. So now we calculate Absolute error, we know that E A = X - X 1 =δX Hence E A = 3.1415926- 3.1428571 = -0.0012645 ...Jun 11, 2020 · Absolute Value: An absolute value is a business valuation method that uses discounted cash flow (DCF) analysis to determine a company's financial worth. Compare the f (x) f ( x) values found for each value of x x in order to determine the absolute maximum and minimum over the given interval. The maximum will occur at the highest f (x) f ( x) value and the minimum will occur at the lowest f (x) f ( x) value. Absolute Maximum: (4,15) ( 4, 15)A coordinate plane. The x- and y-axes both scale by one. The graph of f is V-shaped with a minimum at zero, zero. On the left side of the minimum is a ray with a slope of negative one, and on the right side is a ray with a slope of one. Solution. First, set the expression inside the absolute value bars equal to zero and solve for x. Note that x − 2 = 0 at x = 2. This is the “critical value” for this expression. Draw a real line and mark this critical value of x on the line. Place the expression x − 2 below the line at its left end. The absolute value of a number is its non-negative value without regard to its sign. [Math]::Abs(-5) Absolute value function. Trigonometric functions. Trigonometric functions apply to calculations related to angles. I suppose you remember them well from school. Sine [Math]::Sin(90) Cosine [Math]::Cos(90)Simplify absolute value expressions using algebraic rules step-by-step. absolute-value-calculator. en. Related Symbolab blog posts. Middle School Math Solutions - Inequalities Calculator.The Absolute Value of Mike (2011) Kathryn Erskine Mike is a fourteen-year-old with dyscalculia, but his father is a professional mathematician and is quite insistent that he should learn math and go to Newton High, the math magnet school.What is the modulus (absolute value) of − 6 + 4 i ? Don't round. If necessary, express your answer as a radical. | − 6 + 4 i | =. Report a problem. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a ...absolute value, Measure of the magnitude of a real number, complex number, or vector. Geometrically, the absolute value represents (absolute) displacement from the origin (or zero) and is therefore always nonnegative. If a real number a is positive or zero, its absolute value is itself. The absolute value of − a is a.As you’ll recall, according to the law of demand, price and quantity demanded are inversely related. By convention, we always talk about elasticities as positive numbers, however. So, mathematically, we take the absolute value of the result. For example, -0.45 would interpreted as 0.45.Remove the absolute value brackets and solve the equation for 2 different cases. STEP 3: Check to see whether each solution is valid by putting each one back into the original equation and verifying that the two sides of the equation are equal. - In CASE 1, the solution, w = 22, is valid because 12 + | 22 - 4 | = 12 + 18 = 30..