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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