Quiz about Direct Variation

Question 1

Does the following represents direct variation?

Accepted Answer

No

Answer

Yes

Question 2

Does the following represents direct variation?

Accepted Answer

Yes

Answer

No

Question 3

Does the following represents direct variation?

Accepted Answer

No

Answer

Yes

Question 4

Does the following represents direct variation?

Accepted Answer

No

Answer

Yes

Question 5

Select all the equations that represent a direct variation:

Accepted Answer

Option D is correct

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Question 6

Does the following table represent direct variation?

Accepted Answer

No

Answer

Yes

Question 7

Does the following table represent direct variation?

Accepted Answer

No

Answer

Yes

Question 8

Does the following table represent direct variation?

Accepted Answer

Yes

Answer

No

Question 9

Does the following table represent direct variation?

Accepted Answer

Yes

Answer

No

Question 10

The value of y is directly proportional to the value of x.

If y = 132 when x = 11, what is the value of y when x = 17?

Accepted Answer

y = 204

Answer

y = 144

Answer

y = 12

Answer

y = 71

Question 11

The value of y varies directly with x. If x = 195 when y = 15, what is the value of x when y = 9?

Accepted Answer

y = 117

Answer

y = 1.44

Answer

y = 12

Answer

y = 135

Question 12

The number of pages that Hayden can read varies directly with the time spent reading.

If he reads 12 pages in 4 minutes, how many pages can he read in 17 minutes?

Accepted Answer

51 pages

Answer

47 pages

Answer

60 pages

Answer

75 pages

Question 13

The number of miles Jim runs is directly proportional to the time spent running.

If he runs 6 miles in 46.8 minutes, how long will it take him to run 13.1 miles?

Accepted Answer

102.18 minutes

Answer

92.35 minutes

Answer

7.8 minutes

Answer

150.67 minutes

Question 14

The mass of a substance varies directly with the volume of the substance. The volume of 100 kilograms of the substance is 80 liters.

What is the volume, in liters, of 3.2 kilograms of this substance?

Accepted Answer

2.56 cubic liters

Answer

2.12 cubic liters

Answer

4 cubic liters

Answer

6.34 cubic liters

Question 15

Write an equation for this relationship.

Accepted Answer

y = 1/4x

Answer

y = 4x

Answer

y = 1/8x

Answer

y = 8x

Question 16

In a direct variation, y = 39 when x = 3.
Find the value of y when x = 2.

Accepted Answer

26

Answer

3

Answer

58.5

Answer

2

Question 17

Eduardo counted ten seconds between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles away. What is the equation of variation?

Accepted Answer

y = 5x

Answer

y = 10x

Answer

y = 2x

Answer

y = 1/5x

Question 18

The amount of money earned on a job is directly proportional to the number of hours worked.  If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

Accepted Answer

$308

Answer

$2

Answer

$1.57

Answer

$265

Question 19

Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?

Accepted Answer

$1.20 per pound

Answer

$1.00 per pound

Answer

$3.60 per pound

Answer

$1.10 per pound

Question 20

Which of the given graphs is a direct variation?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Direct Variation

20 questions

Does the following represents direct variation?

Does the following represents direct variation?

Does the following represents direct variation?

Does the following represents direct variation?

Select all the equations that represent a direct variation:

Does the following table represent direct variation?

Does the following table represent direct variation?

Does the following table represent direct variation?

Does the following table represent direct variation?

The value of y is directly proportional to the value of x.
If y = 132 when x = 11, what is the value of y when x = 17?

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