Key Words Absolute Value

absolute value

• the vertical line on the coordinate plane

• the distance a number is from zero on the number line

• the value of each digit in a number

• symbol for equal to

Find the absolute value

• -43

• 43

• -43 and 43

• 1/43

What is the absolute value of | 8 |?

• 8

• -8

• 0

• 16

What is the absolute value of |55|?

• -55

• 45

• 55

• --55

• Absolute Value

• Greatest Integer

• Square Root

• Rational

• Direct Variation

Consider the graph of the absolute value function.

Which equation best represents the absolute value function?

​ ​ (a)  

Consider the graph of the absolute value function. Which equation best represents the absolute value function?​ ​ (a)  

Match the following functions with their types.

• f(x) = x^2 + 4x + 4

• Exponential

• f(x) = 2x + 3

• Absolute Value

• f(x) = 5 + 3|x - 9|

• Quadratic

• f(x) = 2^x

• Linear

Select the true statement

• |-220| = -220 and 220

• -|220|=  220

• |-220|= 220

• |-220|= -220

Is absolute value always positive?

• yes

• no