Quiz about Constant of Proportionality

Question 1

Is the given table a proportional relationship? If so, what is the constant?

Accepted Answer

Yes; 3

Answer

Yes; 1/3

Answer

Yes; 5

Answer

No

Question 2

Write the equation for the table given.

Accepted Answer

y=8x

Answer

y = 16x

Answer

y=12x

Question 3

What is the constant of proportionality for this table?

Accepted Answer

$9 per hour

Answer

$1/9 per hour

Answer

$8 per hour

Question 4

Is this table proportional or non-proportional?

Accepted Answer

Yes

Answer

No

Question 5

Write an equation for this relationship.

Accepted Answer

y = 18.50x

Answer

y = 18x

Answer

y = 22.50x

Answer

y = 22x

Question 6

What is the direct variation?

Accepted Answer

y=3x

Answer

y=9/3x

Answer

y=6x

Answer

y=9x

Question 7

Identify the constant of proportionality.

Accepted Answer

k = 2

Answer

k = 2x

Answer

k = 4

Answer

none (not proportional)

Question 8

Identify the constant of proportionality.

Accepted Answer

k = 1.50

Answer

k = 2

Answer

k = 3

Answer

k = 2/3

Answer

none (not proportional)

Question 9

Identify the constant of proportionality.

Accepted Answer

none (not proportional)

Answer

k = 2

Answer

k = 4

Answer

k = 1/2

Answer

k = 1/4

Question 10

Identify the constant of proportionality.

Accepted Answer

k = -0.45

Answer

k = 1/0.45

Answer

k = 0.45

Answer

k = -1/0.45

Answer

none (not proportional)

Question 11

Which of the following statements is TRUE about the graph? Choose all that apply.

Accepted Answer

The point (1.5, 6) shows the cost is $6.00 for 1.5pounds of cheese.

Accepted Answer

The point (0.75, 3) shows that 0.75 pound of cheesecosts $3.00.

Accepted Answer

The point (0, 0) shows the cost is $0.00 for 0 pounds of cheese

Answer

The point (2, 8) shows that 8 pounds of cheese cost$2.00.

Answer

The point (0.25, 1) shows the cost is $0.25 for 1pound of cheese.

Question 12

The horizontal axis is the y-axis.

Accepted Answer

False

Answer

True

Question 13

Which of the tables above represents a proportional relationship?

Accepted Answer

a, c & d

Answer

a & c

Answer

a, b & c

Answer

all of them

Question 14

Which best describes the graph represented in this table?

Accepted Answer

proportional

Answer

non-proportional

Question 15

Which graph is proportional?

Accepted Answer

All of the graphs are proportional

Answer

A

Answer

B

Answer

C and D

Constant of Proportionality

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