LESSON
4-2
Use the table to determine whether the relationship is proportional.
If so, write an equation for the relationship. Tell what each variable
you used represents.
1.
3.
Constant Rates of Change
Practice and Problem Solving: A/B
5.
Number of tickets 2 3
Total Cost ($)
a. Proportional?
b. Equation:
c. Number of tickets:
d. Total Cost:
4 5
54 81 108 135
Time (h)
2 34 5 6
Pages Read 50 75 90 110 120
Pens 3 6 9 12
Boxes 1 23 4
2.
4.
b. Is the relationship proportional?
c. Write an equation for the relationship..
Weight (lb)
Total Cost ($)
The tables show proportional relationships. Find the constant of
proportionality, k. Write an equation to represent the relationship
between the two quantities. Tell what each variable represents.
6.
a. Proportional?
b. Equation:
c. Weight:
d. Total cost:
Time (h)
Distance (mi)
Pack
Muffins
1
6
7. a. Create a table to show how the number of days is related to
the number of hours. Show at least 5 days.
4
5
46
17.40 21.75 200.10
2
80
3 4
120
2 4 5
12
24 30
160
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