Model and Solve One Step Equations and Inequalities

Which equation has x=9 as a solution

• 4 + x = 12

• 5x = 45

• 2x = 20

• x + 7 = 26

Which figure shows the inequality x > -4?

• Figure 1

• Figure 2

• Figure 3

• Figure 4

8x ≥ -32

• x ≥ -4

• x ≥ 4

• x ≤ -4

• x ≥ 4

When you graph an inequality, you used a closed dot when you use which symbols?

• ≤, ≥ 

• <, >

The minimum height a person must be to ride the Superman Roller-coaster is 54 inches. Which inequality can be used to show this?

• S > 54 inches

• S ≥ 54 inches

• S < 54 inches

• S ≤ 54 inches

s + 9 ≥ -25

• s ≥ -18

• s ≥ -34

• s ≤ 18

• s ≥ 34

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

The variable, k, is being divided by 11. How should you isolate the variable? ​  

• Divide both sides by 11

• Add 11 to both sides.

• Multiply both sides by 11.

• Subtract 11 to both sides.

Pick the correct inequality.

• A

• B

• C

• D