Algebra II/Trig Unit 2 Quiz Review

Absolute value is defined as...

• always positive numbers
• negative numbers becoming positive
• distance from zero
• numbers on the number line

Tags

CCSS.6.NS.C.7C

Solve |2x –3| + 5 =10.

• x = -1 or x = 1

• x = -1 or x = 4

• x = -1 or x= -4

• x = 1 or x= 4

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.REI.A.1

−2|−2r − 4| = -12

• {5,1}
• {-5, -1}
• {-5, 1}
• No Solution

Tags

CCSS.HSA.REI.B.3

CCSS.HSA.REI.A.1

3| −8x| + 8 = 80

• x = -7/3 or x = 7/3

• x = -3 or x = 3

• x = 11/3 or x = -11/3

• No Solution

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.REI.A.1

Solve: | x+3| = 2x-1

• x = 4 or x=-2/3

• x = 4

• x = -2/3

• x = 7

Tags

CCSS.HSA.REI.B.3

CCSS.HSA.REI.A.1

Write the absolute value equation for the situation:

A number is 7 units away from 12.

• |x-12| = 7

• |x-7| = 12

• |x+12| = 7

• |x+7| = 12

Tags

CCSS.HSA.CED.A.3

Write and solve an absolute value equation for the situation:

5 times a number is 10 units from 20.

• |5x-20| = 10

• |5x-10| = 20

• |5x| = 30

• |5x+20| = 10

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

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

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

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