Quiz about Pre Algebra Spiral Review

Question 1

Solve the proportion.

Accepted Answer

k=5

Answer

k=3.3333333

Answer

k=60

Answer

k=90

Question 2

The radius of a circle is 8 inches. What is the diameter?

Accepted Answer

16 inches

Answer

4 inches

Answer

6 inches

Answer

8 inches

Question 3

Simplify the expression.

Accepted Answer

-3a + 4b

Answer

3a - 4b

Answer

23a - 10b

Answer

-3a - 3b

Question 4

Which inequality represents the graph?

Accepted Answer

$$x\ \le\ $$ 16

Answer

$$x\ \ge$$ 16

Answer

$$x<16$$

Answer

$$x>16$$

Question 5

Determine the value of the variable y in the equation.

Accepted Answer

y = 1 $$\frac{1}{2}$$

Answer

y = 1

Answer

y = 2 $$\frac{1}{2}$$

Answer

y = $$\frac{1}{2}$$

Question 6

Lauren had some pens and pencils. The ratio of pens to the number of pencils she had was 2 : 3. She gave away 3 pencils and the ratio of the number of pens to the number of pencils became 4 : 5. How many pens did Lauren have at the start?

Accepted Answer

12

Answer

3

Answer

8

Answer

6

Question 7

Which list contains solutions to the inequality?

Accepted Answer

-8, -9, -10

Answer

-7, -6, -5

Answer

-7, -8, -9

Answer

-5, -4, -3

Question 8

What is the circumference?

Accepted Answer

113.04

Answer

36

Answer

56.52

Answer

108

Question 9

The ratio of cats to dogs in a pet store is 2 to 3.

If there are 30 animals in total, how many dogs are there?

Accepted Answer

18

Answer

12

Answer

20

Answer

15

Question 10

A garden has a ratio of roses to tulips of 3 to 5 .

If there are 30 tulip plants, how many rose plants are there?

Accepted Answer

18

Answer

8

Answer

50

Answer

15

Question 11

Solve the proportion below:

Accepted Answer

6

Answer

42

Answer

2

Answer

28

Question 12

Mr. Smith has 55 sheep, cows, and horses altogether. The ratio of the number of sheep to the number of cows is 1 : 2. The ratio of the number of cows to the number of horses is 3 : 1. Find the total number of cows and horses?

Accepted Answer

40

Answer

15

Answer

25

Answer

45

Question 13

Which of the following is NOT an example of supplementary angles?

Accepted Answer

$$\angle2\ and\ \angle3$$

Answer

$$\angle7\ and\ \angle8$$

Answer

$$\angle1\ and\ \angle7$$

Answer

$$\angle6\ and\ \angle4$$

Question 14

^{What is the solution to the system?}

Accepted Answer

(1, -1)

Answer

(1,1)

Answer

-2

Answer

(1, 2)

Question 15

Write the equation for the table given

Accepted Answer

y = 3x

Answer

y = 1/3x

Answer

y = 1/2x

Answer

x = 3y

Question 16

The equation y=5x describes a proportional relationship between x and y. What is the constant rate of change?

Accepted Answer

5

Answer

6

Answer

4

Answer

7

Question 17

Does this equation represent a proportional relationship?

Accepted Answer

Yes

Answer

No

Question 18

Which equation shows a NON-proportional relationship of x and y?

Accepted Answer

y = x + 3

Answer

y = 5x

Answer

y = 2.5x

Answer

y = 1/2x

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