Graphs of proportional relationships

You can buy 5 shirts for $60.  Which proportions will give the cost, c, of buying 2 shirts. Select all that apply.

• $\frac{5}{60}=\frac{2}{c}$

• $\frac{5}{2}=\ \frac{60}{2}$

• $\frac{5}{2}=\ \frac{c}{60}$

• $\frac{2}{60}=\frac{5}{c}$

Tags

CCSS.7.RP.A.2C

Four students in Mrs. Leiter’s class each attempted to graph a proportional relationship between x and y.

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Tags

CCSS.7.RP.A.2D

Mrs. Leiter's class is learning to graph proportional relationships. How should she describe to her students the graph of a proportional relationship?

Tags

CCSS.7.RP.A.2D

• For every 0.5 cup of milk, there should be 0.5 cup of strawberry juice.

• For every 0.5 cup of milk, there should be 1 cup of strawberry juice.

• For every 1 cup of milk, there should be 0.5 cup of strawberry juice.

• for every 1 cup of milk, there should be 1 cup of strawberry juice.

Tags

CCSS.7.RP.A.2D

What is the slope of the line?

• $8$

• $\frac{4}{1}$

• $\frac{1}{4}$

• $\frac{3}{8}$

Tags

CCSS.7.RP.A.2D

Tags

CCSS.7.RP.A.2B

The variables x and y vary directly. Use the values to find the constant of proportionality and write an equation that relates x and y.

y=2; x=10

• $8$

• $\frac{1}{4}$

• $5$

• $\frac{1}{5}$

Tags

CCSS.7.RP.A.2B