Quiz about Unit 8 Test Review Solving Linear Equations and Inequalities

Question 1

Which operation will cancel out multiplication?

Accepted Answer

D. Division

Answer

A.  Addition

Answer

B. Subtraction

Answer

C. Multiplication

Question 2

Solve:
7x - 3x - 8 = 24

Accepted Answer

8

Answer

-8

Answer

3.2

Answer

4

Question 3

Solve:
3(x - 2) = 18

Accepted Answer

8

Answer

6.7

Answer

4

Answer

-4

Question 4

Solve:
2(2x + 3) = -6(x + 9)

Accepted Answer

-6

Answer

1.2

Answer

6

Answer

7.5

Question 5

What is the first step in solving this equation:
5x + 7 = 12

Accepted Answer

Subtract 7

Answer

Divide by 5

Answer

Subtract 5

Answer

Multiply by 7

Question 6

Find the error in the problem below
19 - 2k = 3k - 1
+3k +3k
19 + 1k = -1
-19 -19
k = -20

Accepted Answer

Instead of adding 3k they should subtract 3k

Answer

They should have divided by 1 for the last step

Answer

They should add 19 instead of subtracting 19

Answer

I can not find an error

Question 7

Solve:
-19 + 3x = 3( x - 5)

Accepted Answer

No Solutions

Answer

Infinite Solutions

Answer

x = (-6)

Answer

x = 8

Question 8

Solve for x.
2x + 1 = 3x + 1 - x

Accepted Answer

Infinite Solutions

Answer

x = 0

Answer

x = 1

Answer

No Solution

Question 9

Solve the equation for x.
-8x - 8 + 3x - 6 = -3x + 2

Accepted Answer

x = -8

Answer

x = 8

Answer

x = 2

Answer

x = -2

Question 10

Which property of real numbers justifies the work shown from Step 1 to Step 2?

Accepted Answer

Distributive Property

Answer

Commutative Property

Answer

Identity Property

Answer

Associative Property

Question 11

When graphing an inequality, what does a closed circle mean?

Accepted Answer

The number is included in the list of answers.

Answer

The number is not included in the list of answers.

Question 12

5z - 2 - 2z < 13

Accepted Answer

z < 5

Answer

z > 5

Answer

z > 1

Answer

z < 1

Question 13

Solve:
3(x - 2) < 2(x + 9)

Accepted Answer

x<24

Answer

x>12

Answer

x<12

Answer

x>24

Question 14

Solve:
7(x + 3) < 5x + 13

Accepted Answer

x<-4

Answer

x>-4

Answer

x < 17

Answer

x > -17

Question 15

-2(x+2) < 14

Accepted Answer

x > -9

Answer

x < - 5

Answer

x > -5

Answer

x < -9

Question 16

Solve and choose the correct graph:

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Unit 8 Test Review Solving Linear Equations and Inequalities

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