Quiz about Porportions Test Review

Question 1

Jack paid $36.25 for 12 $$\frac{1}{2}$$ gallons of gas for his car. What is the price per gallon?

Accepted Answer

$2.90

Answer

$3.14

Answer

$3.02

Answer

$2.65

Question 2

Eliza walked $$1\frac{1}{2}$$ miles in $$\frac{2}{3}$$ of an hour. What is her walking rate in miles per hour?

Accepted Answer

$$2\frac{1}{4}$$ miles per hour

Answer

$$1\frac{3}{5}\ $$ miles per hour

Answer

$$1\frac{1}{3}$$ miles per hour

Answer

$$\frac{5}{6}$$ miles per hour

Question 3

Which representation shows a proportional relationship?

Select all that apply.

Accepted Answer

Accepted Answer

Question 4

A proportional relationship is shown.

Select each true statement.

Accepted Answer

The graph is a straight line and starts at the origin.

Accepted Answer

The ratio $$\frac{y}{x}$$ is constant for each ordered pair on the table

Answer

The point (18,27) lies on the graph.

Answer

The point (0,0) does not lie on the graph of this data.

Question 5

Troy is training for a wrestling tournament and he eats eggs every day. The graph shows the total number of eggs Troy eats over a period of days. What is the constant of proportionality and what does it mean?

Accepted Answer

6; Troy eats 6 eggs per day

Answer

3; Troy eats 3 eggs per day

Answer

12; Troy eats 12 eggs per day

Answer

2; Troy eats 2 eggs per day.

Question 6

Which equation has a constant of proprotinality (unit rate) equal to 8?

Accepted Answer

y = 8x

Accepted Answer

y = $$\frac{48}{6}$$ x

Answer

y = $$\frac{1}{8}x$$

Answer

y = $$\frac{6}{8}$$ x

Question 7

The table shows a proportional relationship between p and q. Which equation shows the relationship between p and q?

Accepted Answer

q = $$\frac{1}{4}$$ p

Answer

q = $$\frac{1}{2}$$ p

Answer

q = 4p

Answer

q = $$\frac{3}{4}$$ p

Question 8

Mrs. Baker's 7th grade English class is making get well cards to donate to the local children's hospital. They make 84 cards in 3 hours. Which equation represents the relationship between the number of cards made (c) and the number of hours (h), assuming they work at a constant rate?

Accepted Answer

c = 28h

Answer

c = 84h

Answer

c = 81h

Answer

c = 3h

Question 9

The graph shows a proportinal relationship. Which equation represents the relationship between the number of gallons of paint and the total cost?

Accepted Answer

y = 9x

Answer

y = 18x

Answer

y = $$\frac{1}{9}$$ x

Answer

None of these.

Question 10

The graph models the distance a bird flies after given a number of hours. What are the coordinates of point A, and what do they represent?

Accepted Answer

(4, 60); In 4 hours the bird can lfy 60 miles.

Answer

(4, 60); In 60 hours the bird can fly 4 miles

Answer

(60, 4); In 60 hours the bird can fly 4 miles.

Answer

(60, 4); In 4 hours the bird can fly 60 miles

Question 11

The graph models the total cost of buying window blinds for a house. Which point represents the unit rate?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Answer

None of these

Question 12

Shane wants to buy a new coat from her favortie department store. The current price of this coat is $250.00. On Tuesday, the store is taking 40% off of all coats and taking an additional 5% off of the sale prices between 8 am and 10 am. How much will Shane pay for his new coat if he shops on Tuesday before 10:00 am? Assume no sales tax.

Accepted Answer

$142.50

Answer

$150.00

Answer

$137.50

Answer

$112.50

Question 13

Anna deposits $950.00 into a savings account with an annual simple interest rate of 3.75%. How much money will Anna have at the end of 4 years?

Accepted Answer

$1,092.50

Answer

$1,425

Answer

$1, 013.33

Answer

$1,100.72

Question 14

Lucy sells furniturre at a home interior store and makes $8.50 per hour, plus she earns a comission equal to $$\frac{1}{32}$$ of her total sales each month. This month, Lucy worked 160 hours and had a total sales of $30,000. What were Lucy's gross eearnings this month?

Accepted Answer

$2,297.50

Answer

$980

Answer

$2,340

Answer

$1,940.50

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