Quiz about Algebra 1: Unit 2 Review

Question 1

Question 1.

Accepted Answer

Question 2

Which of the following equations is equivalent to $$\frac{x-3}{7}=\frac{3}{4}$$

Accepted Answer

4x - 12 = 21

Answer

4x - 3 = 21

Answer

3x - 9 = 28

Answer

7x - 21 = 12

Question 3

In City Lake, researchers caught, marked, and released 176 bass. Later, they took a sample of 91 bass and found that 13 were marked. Estimate the number of bass in the lake.

Accepted Answer

1232 bass

Answer

1183 bass

Answer

2288 bass

Answer

254 bass

Question 4

What is 75% of 40?

Accepted Answer

30

Answer

10

Answer

20

Answer

50

Question 5

1170 is 130% of what number?

Accepted Answer

900

Answer

351

Answer

1521

Answer

3900

Question 6

What percent of 160 is 168?

Accepted Answer

105%

Answer

5%

Answer

8%

Answer

108%

Question 7

There are 32 marbles in the box. There are 12 red marbles, 14 blue marbles, and 6 yellow marbles. What percent of the marbles are NOT blue?

Accepted Answer

56.25%

Answer

18.75%

Answer

62.5%

Question 8

What is the percent of change from 5,000 to 800?

Accepted Answer

84% decrease

Answer

84% increase

Answer

75% increase

Answer

75% decrease

Question 9

What is the percent of change from 25 to 34?

Accepted Answer

36% increase

Answer

34% increase

Answer

36% decrease

Answer

34% decrease

Question 10

If VPrep had 650 students last year and this year we have 1050 students, what is the percent of change?

Accepted Answer

61.5% increase

Answer

38.5% increase

Answer

38.5% decrease

Answer

61.5% decrease

Question 11

$$\frac{-2}{3}x\ =\ 4$$

Solve for x.

Accepted Answer

x = -6

Answer

x = 6

Answer

x = 8/3

Answer

x = -8/3

Question 12

Which of the following equations is equivalent to

-3 (x - 2) - 6 (x + 1) = 12

Accepted Answer

-9x = 12

Answer

-9x - 12 = 12

Answer

3x - 12 = 12

Answer

-3x = 12

Question 13

Solve the equation for x.

3x - 2y - x + 4 = y - 6

Accepted Answer

$$x=\frac{3y-10}{2}$$

Answer

$$x=\frac{-3y+10}{2}$$

Answer

$$x=\frac{3y-10}{4}$$

Answer

$$x=\frac{-3y+10}{4}$$

Question 14

Jackson and Sarah are collecting gems in the online multiplayer game Blaze Beams.

Jackson joins early and earns 3 gems per minute. He gathers 36 gems by the time Sarah joins. Sarah, the more experienced player, earns 7 gems per minute. Soon, she catches up to Jackson and the two have the same number of gems. Which equation can you use to find m, the number of minutes it takes for Sarah to catch up to Jackson?

Accepted Answer

3m + 36 = 7m

Answer

3m - 36 = 7m

Answer

3m = 7m + 36

Question 15

Jackson and Sarah are collecting gems in the online multiplayer game Blaze Beams.

Jackson joins early and earns 3 gems per minute. He gathers 36 gems by the time Sarah joins. Sarah, the more experienced player, earns 7 gems per minute. Soon, she catches up to Jackson and the two have the same number of gems. How many minutes will it take for Sarah and Jackson to have the same number of gems?

Accepted Answer

9 minutes

Answer

7 minutes

Answer

11 minutes

Answer

13 minutes

Question 16

Beth and her cousin Albert both collect stamps. Beth currently has 80 stamps in her collection, and she adds 4 more each month. Right now, Albert only has 20 stamps in his collection, but he adds 10 more each month.

Which equation can you use to find m?

Accepted Answer

80 + 4m = 20 + 10m

Answer

80m + 4 = 20m + 10

Answer

80 - 4m = 20 - 10m

Answer

80m - 4 = 20m - 10

Question 17

Beth and her cousin Albert both collect stamps. Beth currently has 80 stamps in her collection, and she adds 4 more each month. Right now, Albert only has 20 stamps in his collection, but he adds 10 more each month.

How many months will it take Beth and Albert to have the same number of stamps?

(Same problem as previous question)

Accepted Answer

10

Answer

6

Answer

8

Answer

12

Question 18

Ted is 3 years less than 1/2 of Mike's age. Using M to represent Mike's age, write an expression that represents Ted's age.

Accepted Answer

$$\frac{1}{2}M\ -\ 3$$

Answer

$$3\ -\ \frac{1}{2}M$$

Answer

$$M\ -\ \frac{1}{2}\left(3\right)$$

Answer

$$\frac{1}{2}\left(M-3\right)$$

Question 19

Solve for x.

3 + 3x < 5x - 9

Accepted Answer

x > 6

Answer

x < 3

Answer

x > 3

Answer

x < 6

Question 20

Solve for x.

$$3\left(2x-1\right)\ge-4\left(2x-1\right)$$

Accepted Answer

$$x\ge\frac{1}{2}$$

Answer

$$x\le\frac{1}{2}$$

Answer

$$x\le-\frac{1}{2}$$

Answer

$$x\ge-\frac{1}{2}$$

Question 21

Solve for x.

$$-3\left(x-1\right)\ <\ x-4x+2$$

Accepted Answer

No Solution

Answer

x > -1

Answer

x < -1

Answer

All Real Numbers

Algebra 1: Unit 2 Review

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