Quiz about Ratios, Rates and Proportional Relationships

Question 1

Write an equation for this relationship if d represents number of days and c represents total cost.

Accepted Answer

c=18.50d

Answer

d=18.50c

Answer

c=22.50d

Answer

c=22d

Question 2

Does the graph represent a proportional relationship?

Accepted Answer

No

Answer

Yes

Question 3

A cellphone company charges $90 for 2 months of service. What would be the equation that represents this relationship?

Accepted Answer

y=45x

Answer

y=90x

Answer

y=180x

Question 4

Solve for x

Accepted Answer

x = 28

Answer

x = 6

Answer

x = 25

Answer

x = 17

Question 5

Question 5.

Accepted Answer

4:1

Answer

9:1

Answer

1:4

Answer

1:9

Question 6

Question 6.

Accepted Answer

$$\frac{2}{9}$$

Answer

$$\frac{9}{2}$$

Answer

$$\frac{2}{3}$$

Answer

$$\frac{1}{2}$$

Question 7

Question 7.

Accepted Answer

4:1

Answer

9:4

Answer

4:9

Answer

1:4

Question 8

Question 8.

Accepted Answer

$$\frac{4}{52}$$

Answer

$$\frac{52}{4}$$

Answer

$$\frac{4}{26}$$

Answer

$$\frac{13}{52}$$

Question 9

Which of the following scenarios illustrates the ratio $$\frac{10}{19}$$ ?

Accepted Answer

The ratio of the elevation of town A to the elevation of Tessa's house if town A is 1,000 feet above sea level and Tessa's house is at 1,900 feet above sea level.

Answer

The ratio of fiction books to the total amount of books if there are 10 nonfiction books and 9 fiction books on Mary's shelf.

Answer

The ratio of red marbles to blue marbles from a bag containing 38 blue marbles and 22 red marbles.

Answer

The ratio of days Sally went outside for recess to the days that she stayed inside if Sally has been in school for a total of 63 days and 33 days have been spent inside for recess.

Question 10

Question 10.

Accepted Answer

A and D

Answer

B and D

Answer

A and C

Answer

B and C

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