Quiz about Direct Variation Review

Question 1

A dishwasher uses 65 gallons of water to wash 5 loads of dishes. What is the constant of variation?

Accepted Answer

k = 13

Answer

k = 65

Answer

k = 5

Answer

k = 1/13

Question 2

A dishwasher uses 65 gallons of water to wash 5 loads of dishes. What is the equation of variation?

Accepted Answer

y = 13x

Answer

y = 65x

Answer

y = 5x

Answer

y = 1/13x

Question 3

A dishwasher uses 65 gallons of water to wash 5 loads of dishes. How many gallons of water would be used to wash 12 loads?

Accepted Answer

156 gallons

Answer

60 gallons

Answer

780 gallons

Answer

12/13 gallons

Question 4

What is the slope?

Accepted Answer

$1/2 miles driven

Answer

$2/1 mile drive

Answer

2 miles driven/$1

Answer

1 mile driven/$2

Question 5

Which statement matches the graph?

Accepted Answer

Taylor can write 25 words per minute

Answer

Taylor can write 6 words per minute

Answer

Taylor can write 50 words per minute

Answer

Taylor can write 150 words per minute

Question 6

What is the meaning of the slope?

Accepted Answer

You will receive $0.25 per paper delivered

Answer

You will receive $4 per paper delivered.

Answer

You will receive $5 per paper delivered

Answer

You will receive $20 for the day

Question 7

Find the slope of the line.

Accepted Answer

5/2

Answer

2/5

Answer

1/2

Answer

2

Question 8

Find the slope between the points.

Accepted Answer

0

Answer

undefined

Answer

4/9

Answer

9/4

Question 9

What is the meaning of the slope shown in the graph?

Accepted Answer

For each month of the membership, the cost increases by $25

Answer

For each $1 the cost increases, the time increases by 25.

Answer

For each month, the cost of the membership increases by $75.

Answer

For every dollar spent on the membership, the time increases by by 10.

Question 10

Is the relationship shown on the graph directly proportional?

Accepted Answer

Yes

Answer

No

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