Abs Value

What is the definition of absolute value?

• The distance a number is to zero

• A positive number

• A number that has a value with a different sign

Evaluate: |-12|

• 12

• -12

• 0

• 1.2

Evaluate: |0|

• 0

• -0

• +0

• There is no answer

Compare: -2 and |-2|

• <

• >

• =

Compare: 27 ____ |-27|

• <

• >

• =

What is the equation of the absolute value function?

• f(x)= |x+4|
• f(x)= |x-4|
• f(x)= |x| + 4
• f(x)= |x| - 4

What is the vertex of the absolute value function?

• (4, 0)
• (0, 4)
• (-infinity, infinity)
• [4, infinity)

y = |x| - 7 makes the graph slide . . .

• left 7
• right 7
• up 7
• down 7

Slopes of parallel lines are...

• opposite reciprocals.

• opposites.

• identical.

• always 7.

Slopes of perpendicular lines are...

• opposite reciprocals.
• opposites.
• identical.
• always 7.