Quiz about Proportional Relationships Vocabulary

Question 1

When ratios are equivalent, they are proportional. Choose the best answer.

Accepted Answer

TRUE

Answer

SOMETIMES

Answer

FALSE

Answer

ONLY WITH UNIT RATES

Question 2

Match the ratio that is not proportional to the other ratios.

Accepted Answer

$$\frac{2}{3}$$

Answer

$$\frac{9}{4}$$

Answer

$$\frac{3}{2}$$

Answer

$$\frac{54}{24}$$

Question 3

$$\frac{128}{32}\ $$ is equivalent to $$\frac{64}{16}$$ . Choose all answers that apply to these proportional ratios.

Accepted Answer

true, these are proportional ratios

Accepted Answer

true, the unit rate for both is $$\frac{4}{1}$$

Accepted Answer

true, these are proportional and the constant of proportionality is 4

Answer

false, these are nonproportional ratios

Question 4

Heather is creating towers of nickels and measuring the height, in millimeters, of the stacks. Her data is shown in the table.

Is the height of a tower proportional to the number of nickels?

Accepted Answer

yes, the height is proportional to the number of nickels

Answer

no, the height is not proportional to the number of nickels

Answer

unable to determine if the height is proportional to the number of nickels

Question 5

Which table shows a proportional relationship between x and y? Choose the best answer.

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 6

What is the constant of proportionality of this table? Choose all equivalent values.

Accepted Answer

0.4

Accepted Answer

$$\frac{2}{5}$$

Answer

2.5

Answer

$$\frac{5}{2}$$

Answer

this is not a proportional relationship; no constant exists

Question 7

If the constant of proportionality is 6 , how many x's are there for 6 y's? Choose the best answer.

Accepted Answer

1

Answer

6

Answer

-6

Answer

2

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