Model and Solve One Step 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

Pick the correct inequality.

• A

• B

• C

• D

x + 5 ≤ 13

• x ≥ 8

• x ≥ 18

• x ≤ 8

• x ≤ 18

w + 4 ≤ -5

• w ≤ -9 

• w ≥ -9

• w ≤ -1 

• w ≥ -1

y - 13 ≤ -15

• y ≤ 2

• y ≤ -2

• y ≤ 28

• y ≤ -28

Pick the correct inequality.

• A

• B

• C

• D

8.9 + j = 12.8

• j = 21.7

• j = 3.9

• j = 1.4

• j = 4.1

Describe the graph for the solution for the following inequality:
a + 13 ≥ 20

• Closed circle; arrow pointing left

• Open circle; arrow pointing left

• Closed circle; arrow pointing right

• Open circle; arrow pointing left

Write an equation for the model above.