QC: Solving Inequalities (part 2)

4x - 10 ≤ 22

• x ≤ 8
• x ≥ 8
• x ≤ 3
• x ≥ 3

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

• ≤, ≥ 
• <, >

Which graph represents the inequality 2x + 3 < 7

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Do you flip the sign?
-3x + 2  ≤  22

• YES
• NO

You flip an inequality symbol when you...

• subtract
• multiply and divide only
• multiple by a negative number
• multiple or divide by a negative number

-1(2x + 4) ≥ 6

• x ≤ -5
• x ≥ -5
• x ≤ -1
• x ≥ -1

Solve the following inequality. Show your algebraic work!

• x > -2

• x > 1

• x > 3

• x < 4

What inequality does the number line graph represent?

• x > 5
• x < −5
• x ≥ 5
• x ≥ −5