Quiz about Direct, Inverse, Joint Variation

Question 1

What type of variation is pictured?

Accepted Answer

Direct

Answer

Inverse

Answer

Joint

Answer

None

Question 2

What type of variation is pictured?

Accepted Answer

Inverse

Answer

Direct

Answer

Joint

Answer

None

Question 3

What type of variation is represented by this equation?

$$y=\frac{5}{x}$$

Accepted Answer

Inverse

Answer

Direct

Answer

Joint

Answer

None

Question 4

What type of variation is represented by this equation?

$$k=\frac{y}{x}$$

Accepted Answer

Direct

Answer

Inverse

Answer

Joint

Answer

None

Question 5

What type of variation is represented by this equation?

$$y=7xz$$

Accepted Answer

Direct

Answer

Inverse

Answer

Joint

Answer

None

Question 6

What type of variation is represented by this scenario?

The amount of time that has passed versus how much water is left in a bath as it drains.

Accepted Answer

Inverse

Answer

Direct

Answer

Joint

Answer

None

Question 7

What type of variation is represented by this scenario?

The more hours you work versus the money in your bank account.

Accepted Answer

Direct

Answer

Inverse

Answer

Joint

Answer

None

Question 8

What type of variation is represented by this scenario?

The number of lottery tickets you buy versus your chances of winning the lottery.

Accepted Answer

Direct

Answer

Inverse

Answer

Joint

Answer

None

Question 9

If Y varies directly with X, and Y = 24 when X = 6, find Y when X = 8.

Accepted Answer

32

Answer

144

Answer

18

Answer

10

Question 10

If Y varies inversely with X, and Y = 60 when X = 3, find Y when X = 18.

Accepted Answer

10

Answer

180

Answer

20

Answer

57

Question 11

If Y varies directly with the product of X and Z, and Y = 320 when X = 8 and Z = 20, what is the value of K?

Accepted Answer

2

Answer

80

Answer

40

Answer

16

Question 12

The gallons of water in a pool varies directly with how many minutes the drain has been open. If there are 300 gallons in the pool after the drain has been open for 2 min, how long will it take for there to be 50 gallons remaining?

Accepted Answer

12 minutes

Answer

0.33333 minutes

Answer

6 minutes

Answer

20 minutes

Question 13

When 40 people decide to ride the bus to the basketball game it costs $6.50 per person. When 20 people ride the bus to the game it costs $13.00 per person. Find K based on the scenario?

Accepted Answer

260

Answer

130

Answer

60

Answer

520

Direct, Inverse, Joint Variation

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