Inequalities

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

• ≤, ≥ 
• <, >

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

• <, >
• ≤, ≥ 

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8
• x ≥ 18
• x ≤ 8 
• x ≤ 18 

What inequality does the number line graph represent?

• x ≥ 3
• x > 3
• x < -3
• x ≤ 3

What inequality does the number line graph represent?

• x ≤ 4
• x ≥ -4
• x < -4
• x < 4

5x - 7 ≥ 8

• x ≥ 3
• x  ≤ 3
• x = 3
• x ≠ 3

Do I need to flip my sign?
3x  ≥ 12

• Yes
• No

A student must be at least 15 years old to obtain a driver’s permit.

• x > 15
• x < 15 
• x ≤ 15
• x ≥ 15

4x + 1 > 13

• x > 48
• x < 3
• x > 3.5
• x > 3

Solve the following inequality. Show your algebraic work!

• b > 6

• b < -4

• b > 1

• b < -12