Unit 7 Review

What is the rate of change for the following graph?

• 80
• 20
• 40
• 160

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Mr. Z is starting his own car club, there is a $30 join up fee and a $5 monthly fee. What is the rate of change?

• 30

• 5

Tags

CCSS.HSF-LE.A.1B

What is the rate of change in the following equation: y = - 4x - 5 ?

• - 4

• - 4x

• 5

• - 5

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

What is the initial value?

• -3
• 0
• 3
• 20

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the initial value?

• 1
• 2
• 9
• 11

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the initial value in this equation?
y=8x+6

• 8
• 6

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Tim bought a new phone.  He paid $125 on the day of purchase, then $50 per month until it was paid off. What is the initial value in this situation?

• 50
• 125

Tags

CCSS.HSF.LE.B.5

What is the initial value of this graph?

• 1
• -2
• 0
• 3

Tags

CCSS.8.F.B.4

Describe the situation.

• The volume of the balloon increases at a constant rate, then stays constant, then increases, then constant, and increases at a constant rate.
• The volume of the balloon increase at a constant rate, decreases, then stays constant, then increases, then constant, and increases at a constant rate.  

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Describe the situation.

• Sales decrease quickly at a constant rate, and then increase slowly at a constant rate.
• Sales stay constant, then decrease at a constant rate, and increase slowly.  

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.SSE.A.1

CCSS.HSS.ID.C.7