Introduction to Absolute Value

What is the absolute value of |55|?

• -55

• 45

• 55

• --55

What is the absolute value of | 8 |?

• 8

• -8

• 0

• 16

Evaluate the expression.
|–5| + 8

• 3

• 13

• -13

• -3

What is the parent function for absolute values?

• y = x

• y = |x|

• y = x²

• y = 2^x

What kind of Function is f(x) = 5 + 3|x - 9|

• Linear

• Absolute Value

• Quadratic

• Exponential

• None of the above

What is the parent function for an absolute value function?

• f(x)=x³

• f(x)=x

• f(x)=IxI

• f(x)=x²

What type of shape is an absolute value function?

• Line

• V

• U

• Z

Evaluate.
| -13| + | 24| =

• 12

• -37

• 37

• 10

Order the numbers from least to greatest.
-2, I8I, 5, I-10I, 6

• -2, I8I, 5, I-10I, 6

• -2, 5, 6, I8I, I-10I

• -2, 5, 6, 8, 10

• I-10I, -2, 5, 6. I8I

Is absolute value always positive?

• yes

• no