Quiz about Direct or Inverse Variation

Question 1

Is the table Direct or Inverse Variation?

Accepted Answer

Direct

Answer

Inverse

Question 2

If x and y vary inversely, find the missing value.

(4, 21) (x, 12)

Accepted Answer

7

Answer

-7

Answer

2.29

Answer

-2.29

Question 3

Is the Table Direct or Inverse

Accepted Answer

Inverse

Answer

Direct

Question 4

What is the equation for the table?

Accepted Answer

$$y\ =3x$$

Answer

$$y=\frac{3}{x}$$

Answer

$$y\ =-3x$$

Answer

$$y\ =\ \frac{x}{3}$$

Question 5

Y varies inversely with x, and y is 0.5 when x is 4. Which equation represents this situation?

Accepted Answer

y=2/x

Answer

y=2x

Answer

y=4x

Answer

y=x/2

Question 6

The image is an example of the graph of a(n)

Accepted Answer

inverse variation

Answer

direct variation

Answer

neither

Answer

both

Question 7

Determine the type of variation

$$y=\frac{k}{x^2}$$

Accepted Answer

Inverse

Answer

Direct

Answer

niether

Question 8

If x and y vary directly find the missing value.

(4, y) (-6, 15)

Accepted Answer

-10

Answer

22.5

Answer

10

Answer

-22.5

Question 9

Determine the type of variation:

Accepted Answer

Inverse

Answer

Direct

Answer

Neither

Question 10

Is the given table a direct or inverse variation? What is the constant of variation?

Accepted Answer

Inverse, 12

Answer

Direct, 12

Answer

Direct, 1/12

Answer

Inverse, 1/12

Question 11

Which of the following represents direct variation?

Accepted Answer

y = kx

Answer

y = k/x

Answer

y = x/k

Answer

y = mx + b

Question 12

Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?

Accepted Answer

y=5.25x

Answer

y=1344x

Answer

y=100x

Answer

y=4/21x

Question 13

Is this a direct variation?
y=2x

Accepted Answer

yes

Answer

no

Question 14

Which of the given graphs is a direct variation?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 15

What ordered pair does a direct variation always go through when graphed?

Accepted Answer

(0, 0)

Answer

(1, 0)

Answer

(0, 1)

Answer

(1, 1)

Question 16

What is the constant of proportionality (in miles per hour) based on the table?

Accepted Answer

45

Answer

90

Answer

135

Answer

2

Question 17

Which of the following represents inverse variation?

Accepted Answer

y = k/x

Answer

y = kx

Answer

y = x/k

Answer

y = mx + b

Direct or Inverse Variation

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