Equations and Inequalities

. 

When graphing an inequality, you use a closed circle when you use which symbols?

• ≤, ≥

• <, >

Which inequality matches the graph?

• A

• B

• C

• D

What is the name of this symbol?  

≤  

• less than

• less than or equal to

• greater than

• greater than or equal to

Pick the correct inequality.

• A

• B

• C

• D

What is the inverse operation of division?

• Division

• Addition

• Multiplication

• Subtraction

From this equation, name the variable. 3x=73x=7  

• 7

• 3

• -4

• x

Mathematically, what is the 10 doing to the x?   

10x=90

• Adding 10

• Subtracting 10

• Multiplying 10

• Dividing 10

. 

Solve the inequality.

• x ≥ 8

• x ≤ 8

• x ≥ 18

• x ≤ 18

8.9 + j = 12.8

• j = 21.7

• j = 1.4

• j = 3.9

• j = 4.1

k÷8 = 4

• k = 24
• k = 32
• k = 0.5
• k = -4