Equations and Inequalities TEST REVIEW

Equations and Inequalities TEST REVIEW

Unit 3.2/4.1 Test Review

Equations contain the "=" sign or the word "is"
Inequalities contain  $<,\ \le,\ >,\ \ge$  

Expressions do not contain an equal sign or inequalities symbols. 

. 

Multiple Choice

Which of the following is not an equation?

• 2 + 2 = 4

• 2x + 4 = 25

• 3(4 + 5)

• 10 - 2x = 4

Multiple Choice

Which of the following is an equation?

• 5 + 8 = 13

• 2x + 3

• 5 + 9

• 3 + x

Multiple Choice

• A

• B

• C

• D

Multiple Choice

Which of these can be written as an equation?

• Two times 0.75 plus m

• Three less than twice a

• Half the product of five and j

• Four times n is 24

Multiple Choice

Which of the following is an expression?

• 2x = 4

• 5 + 7

• 5 + x = 13

• 3 + 6 = 9

Multiple Choice

• A

• B

• C

• D

Solving Equations and Inequalities

Your main goal is to isolate the variable.

Remember:

multiplication <=> division

addition <=> subtraction

Multiple Choice

• F

• G

• H

• J

Multiple Choice

y + 51 = 99

• y =140

• y =150

• y=48

• Answer not Given

Multiple Choice

What equation is modeled here?

• x - 6 = 13
• x + 6 = 12
• x + 6 = 13
• x6 = 13

Multiple Choice

5.    6b = 30

• x = 36
• x = 24
• x = 180
• x = 5

Multiple Choice

• A

• B

• C

• D

Multiple Choice

The inverse operation of addition is _______________.

• Division
• Multiplication
• Addition
• Subtraction

Multiple Choice

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 
• Subtract 62 from each side.
• Multiply each side by 62.
• Add 123 to each side.

Multiple Choice

Write an equation for the model above.

• x + 3 = -9

• x - 3 = 9

• 3x + 1 = 9

• 3x - 1 = 9

Multiple Choice

x + 12 = 20

• x = 32
• x = -32
• x = 8
• x = -8

Inequalities

Use elimination strategy to find the correct answer.

Multiple Choice

Pick the correct letter for

x < 6?

• A

• B

• C

• D

Multiple Choice

Match the graph with its inequality.

• a > 11

• a < 11

• a ≤ 11

• a ≥ 11

Multiple Choice

Which inequality is represented by the following graph

• x < -8

• x > -8

• x ≥ -8

• x ≤ -8

Multiple Choice

What inequality does the number line graph represent?

• x ≤ 4

• x ≥ -4

• x < -4

• x < 4