Inequalities

Solve the following inequality:

x + 2 > 12

• subtract 2 from both sides and your answer is

  x = 10

• subtract 2 from both sides and your answer is

  x > 10

• subtract 2 from both sides and your answer is

  X < 10

What does the inequality sign mean?

• greater than

• less than

• greater than or equal to

• less than or equal to

What does the inequality sign mean?

• greater than

• less than

• greater than or equal to

• less than or equal to

5x - 7 ≥ 8

• x ≥ 3
• x  ≤ 3
• x = 3
• x ≠ 3

Solve. 4x - 4 > 8

• x > 6

• x > 48

• x > 1

• x > 3

-2x + 7 < 19

• x < 6
• x < -6
• x > 6
• x > -6

-4x + 14 ≤ 54

• x ≥ - 10
• x ≤ -10
• x ≥ 10
• x ≤ 10

Solve for k. 

7k – 2 ≥ -9

• k ≤ -1
• k≤1
• k≥1
• k ≥ -1

Solve for t.

6t + 4 ≤ -2

• t ≤ -1 
• t ≤ 1
• t=1
• 1=t

Do I need to flip my sign?
-3x  ≥ 12

• Yes, because I'll be dividing by a negative number
• No, because you never flip the sign.