Absolute Value Functions

|2a - 10| = 6

• a = 8, a = 5
• a = 2
• a = 8
• a = 8, a = 2

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

True or False: Is x = 4 a solution to |x + 5| = -9

• True
• False

 The blue is f(x)=|x|, red must be ____?

• g(x) =|x+2|
• g(x) =|x|+2
• g(x) =|x-2|
• g(x) =|x|-2

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.BF.B.3

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What is the reason that absolute value is always written as a positive?

• Absolute value is talking about numbers so it must be positive.
• Absolute value does not always have to be positive.
• Absolute value is like a clock it has only positive numbers.
• Absolute value is talking about distance, distance is always measured by positive numbers.

Tags

CCSS.6.NS.C.7C

Solve: |7-2x| = x

• x = 7 or x = -7

• x = 3/7 or x = 7

• x = 7/3 or x = 7

• x = 7/3 or x = -7

What is the vertex of the absolute value function?

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

Tags

CCSS.HSF-IF.C.7D

What is the range of the absolute value function?

• (-infinity, infinity)
• [3, infinity)
• [0, infinity)
• (-infinity, 3]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which function is graphed?

• f(x) = 2|x + 2| -4
• f(x) = 2|x - 4| + 2
• f(x) = |x + 2| - 4
• f(x) = -2|x - 4|

Tags

CCSS.HSF-IF.C.7D

How is the equation different from the parent graph?
y = ∣x-5∣+7

• Right 5, down 7
• Right 5, up 7
• Up 5,  right 7
• Down 5, right 7

Tags

CCSS.HSF.BF.B.3

CCSS.HSF.IF.C.7

What is the domain of the absolute value function?

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

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5