Unit 4 Lesson 8 Practice Problems

The graphs show the distance,d , traveled by two cars, A and B, over time, t. Distance is measured in miles and time is measured in hours.

Which car traveled slower? Explain how you know.

• Car A

• Car B

Tags

CCSS.8.EE.B.5

• A:1 B:2 C:4 D:3

• A: 3 B:1 C:2 D:4

• A: 4 B:1 C:2 D:3

• A: 3 B:1 C:4 D:1

Tags

CCSS.8.EE.B.5

• Function F

• Function G

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Function F is defined by the equation F(x) = 3x - 7 . Find the value of C so that F(c) = 20 is true.

• c=9

• c=10

• c=9.5

• c=10.5

Tags

CCSS.HSF.IF.A.2

What is the greatest water volume in the cooler?

• About 4 Liters

• About 11 Liters

• About 8 liters

• About 16 liters

Tags

CCSS.HSF.IF.B.4

Find the value or values of t that make V(t)=4 true.

• T=4

• T=5

• T=6.1

• T=7.2

Tags

CCSS.HSF.IF.A.2

Identify the horizontal intercept of the graph. What does it tell you about the situation?

• The cooler was empty at 4 mins

• The cooler was empty at 7 mins

• The cooler was empty at 10 mins

• The cooler was empty at 2 mins

Tags

CCSS.HSF.LE.B.5