Inequalities review

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

• ≤, ≥

• <, >

When graphing an inequality, you use an open dot when you use which symbol?

• <, >
• ≤, ≥ 

Match the number line

to the inequality.

Match the number line

to the inequality.

Does the sign need to flip when solving?
-2x ≥ 22

• YES
• NO

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8
• x ≥ 18
• x ≤ 8 
• x ≤ 18 

• y < 2x - 5
• y > 2x - 5
• y ≤ 2x - 5
• y ≥ 2x - 5

• y < 3/5x - 5
• y > 3/5x - 5
• y ≤ 3/5x - 5
• y ≥ 3/5x - 5

Which system of linear inequalities is represented by the graph?

• y≤2x-1
  y>-2x+3
• y>2x-1
  y≤-2x+3
• y<2x-1
  y≥-2x+3
• y≤2x-1
  y>2x+3

Solve the system of inequalities by graphing.

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