Algebra I: Calculating absolute value
This is a free lesson from our course in Algebra I
 
   
This lesson explains how to find the absolute value of a function. It has several examples that will help you understand the concept of absolute value of functions. the absolute value of x, denoted "| x |" (and which is read as "the absolute value of x"), is the distance of x from zero. This is why absolute value is never negative; absolute value only asks "how far?", not "in which direction?". This means not only that | 3 | = 3, because 3 is three units to the right of zero, but also that | –3 | = 3, because –3 is three units to the left of zero. Overall, the mathematical formula for absolute value is:
               |x| = x, if >= 0
               |x| = -x, if x < 0
<h2>Algebra I - Calculating absolute value</h2> <p>absolute value, absolute, math help, positive, example, absolute value function, negative, value, online algebra, quizzes</p> <p>It explains how to find the absolute value of a function.the mathematical formula for absolute value is |x| = x, if x = 0 |x| = -x, if x < 0</p>
Other useful lessons:
Identify additive Inverse
Identify multiplicative inverse
Splitting an absolute value equation into an two separate equations
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