NAME DATE PERIOD Lesson 7 Homework Practice

NAME _____________________________________________ DATE __________________ PERIOD _________

Lesson 7 Homework Practice

Constant Rate of Change

Find the constant rate of change for each table.

1. Number of Pounds of Ham 0 3 6 9

Cost ($)

0 12 24 36

2.

Number of

Hours Worked

4

6

8

10

Money Earned ($)

80 120 160 200

$4 per pound

$20 per hour

3. Days Plant Height (in.)

7

4

14

11

21

18

28

25

4. Months Money Spent on Cable TV

2

82

4

164

6

246

8

328

1 in. per day

$41 per month

Find the constant rate of change for each graph.

5. Students in Mr. Muni's Class

6.

Jewelry Making

24 21 18 15 12

9 6 3

0

2468

Girls

2 boys per girl

16 12

8 4

0

2468

Girls

4 bracelets per girl

7. SEAGULLS At 1 P.M., there were 16 seagulls on the beach. At 3 P.M., there

were 40 seagulls. What is the constant rate of change? 12 seagulls per hour

Copyright ? The McGraw-Hill Companies, Inc. Permission is granted to reproduce for classroom use.

Boys Bracelets

Course 2 ? Chapter 1 Ratios and Proportional Reasoning

15

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