Quiz about Ratios and Proportions Quizizz

Question 1

What is a ratio?

Accepted Answer

A comparison of two (or more) quantities

Answer

A comparison of one number

Answer

The difference between two items

Answer

An equation that states two ratios are equal.

Question 2

Ratios can be written which of the following ways? (3 correct answers)

Accepted Answer

Using colons

Accepted Answer

Using the word "to"

Accepted Answer

Written as a fraction

Answer

Using periods

Answer

Using question marks

Question 3

Which ratio is different from the others?

Accepted Answer

15:8

Answer

8:15

Answer

8 to 15

Answer

8/15

Question 4

If there are 3 frogs at a pond and 12 toads, what is the ratio of frogs to toads at the pond?

Accepted Answer

1:4

Answer

3:4

Answer

4:1

Answer

1:3

Answer

2:3

Question 5

What is a proportion?

Accepted Answer

An equation that states two ratios are equal.

Answer

A comparison of one number

Answer

A comparison of two (or more) units

Answer

The difference between two items

Question 6

Solve this proportion.

$$\frac{12}{60}\ =\ \frac{3}{x}$$

Accepted Answer

15

Answer

5

Answer

4

Question 7

Solve for x.

$$\frac{2}{5}=\frac{x}{65}$$

Accepted Answer

x = 26

Answer

x = 16

Answer

x = $$\frac{1}{26}$$

Answer

x = 28

Question 8

Solve for x.

$$\frac{x+3}{4}=\frac{7}{8}$$

Accepted Answer

$$\frac{1}{2}$$

Answer

11

Answer

$$\frac{25}{8}$$

Answer

$$\frac{53}{4}$$

Question 9

Solve the equation for x:

$$\frac{40}{x+1}=\frac{15}{6}$$

Accepted Answer

15

Answer

17

Answer

16

Answer

14

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