Inequalities

s - 10 ≤ 1

• s ≤ 11
• s ≤ 9
• s ≥ 11
• s ≥ 9

10 ≥ x - 3

• x ≤ 13
• x ≥ 13
• x ≤ 7
• x ≥ 7

• b > 20

• b > 6

• b > 14

• b > 20

You flip an inequality symbol when you...

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

Which of the following situations shows the need to flip the inequality sign?

Solve
-5m < 10

• m < -2
• m > -2
• m < -50
• m > -50

Solve and graph.
k - 13 > -51

• A
• B
• C
• D

Solve and graph.
k - 13 > -51

• A
• B
• C
• D

What inequality does the number line graph represent? (Hint: You may have to solve each inequality.)

• x + 2 < 5
• 3x ≥ 9
• 2x - 1 > 5
• x + 3 < 0