Chapter 1 Semester Review

What is the solution?

• A

• B

• C

• D

Answer explanation

-7 + 2 = -5

-5 x 5 = -25

Tags

CCSS.7.EE.B.4A

What is the solution?

• A

• B

• C

• D

Answer explanation

6m - 2m = 4m

30 - 6 = 24

4m = 24

24/4 = 6

Select all that apply.

• A

• B

• C

• D

• E

Answer explanation

Infinite Solutions means the 2 equations are the same.

No Solution means the equations have the same slope but different y intercepts, so the equations would be false.

One Solution means there is only one answer. For example, x=0 is one answer.

Tags

CCSS.8.EE.C.7A

What is the solution?

• A

• B

• C

• D

Answer explanation

After you use the rainbow method,

20 = -8x -16 - 4

20 = -8x - 20

40 = -8x

40/-8 = -5

Tags

CCSS.7.EE.B.4A

Solve

• A

• B

• C

• D

Tags

CCSS.8.NS.A.2

Select all correct answers

• A

• B

• C

• D

• E

Answer explanation

Tags

CCSS.8.NS.A.2

If the exponent is odd, then there is only one answer.

• A

• B

• C

• D

Answer explanation

-4 x -4 = 16

16 x -4 = -64

so -4 x -4 x -4 = -64

Tags

CCSS.8.EE.A.2

• A

• B

• C

• D

Answer explanation

Opposite of squaring something is square rooting.

Tags

CCSS.8.EE.A.2

What is the solution?

• A

• B

• C

• D

Answer explanation

When you multiply or dicide with a negative number, the inequality sign flips.

18 - 2x < -4

-2x < -22

-22/-2 = 11

x > 11

Tags

CCSS.7.EE.B.4B

Remember the special rule about inequalities.

• A

• B

• C

• D

Answer explanation

When you multiply or divide with a negative number, the inequality sign flips.

Tags

CCSS.7.EE.B.4B