Math 7 Proportional Relationships Quiz Review | Baamboozle - Baamboozle

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Simplify

4 1/2

Answer the question above.

D

Answer the question above.

concert is less by 20 cents

Michael can read 582 words in 3 minutes. At this rate, how many words can he read in 20 minutes?

3,880 words

Tell whether the table shows a proportional relationship. Explain.

proportional, k=1/60, y=1/60x

Car A traveled 208 miles in 4 hours. Car B traveled 245 miles in 5 hours. Which car traveled at a faster rate? How much faster?

Car A by 3 mph

1/5 book/hr

Which graphs represent proportional relationships?

1 and 5

Assume the table represents a proportional relationship. Identify the constant of proportionality, then find the missing values

k=3; 5 and 105

Find the unit rate: 15 heart beats in 1/4 minute

60 beats/min

Answer both questions.

3/4 hr per mile and 1 1/3 mph

Calculate the unit cost: 6 pounds of lobster for $65.94

$10.99/lb

Does the table represent a proportional relationship? If so, state the equation.

y=3x

Answer the question above.

5/6 cup/serving

Tell whether the graph shows a proportional relationship. Explain.

proportional, k=3, y=3x

The ordered pairs (2, 8), (3, 12), (x, 20) represent a proportional relationship. Find the value of x

x=5

Does the table show a proportional relationship? If so, what is the constant of proportionality?

nonproportional

A train travels 423 miles every 9 hours. What is the unit rate of the train?

47 mph

Does the table show a proportional relationship? If so, state the constant of proportionality.

nonproportional

Answer the question above.

14 windows/hour

Answer the question above.

A, D

Tell whether the graph shows a proportional relationship. Explain.

nonproportional - does not start at the origin

Simplify

5/18

Does the graph represent a proportional relationship? If so, state the equation.

y=1/3x

Answer the question above.

12 min/mile

And by how much faster?

Tank B by 3/8 gal/min

Simplify.

4 1/2

Which is the better buy? 20 ounces of orange juice for $4.40 or 32 ounces of orange juice for $6.72? By how much cheaper is it?

32 ounce OJ by 1 cent

This week, Kayla worked 16 hours at the grocery store and 24 hours at the library. Write a ratio of the number of hours she worked at the library to the total number of hours she worked in simplest form.

3/5

Answer the question above.

Yes, the relationship is proportional, k=0.08, y=0.08x

Does the table show a proportional relationship? If so, state its equation.

y=1/5x or y=0.2x