1.5 Inequalities

s - 10 ≤ 1

• s ≤ 11
• s ≤ 9
• s ≥ 11
• s ≥ 9

What inequality does the number line graph represent?

• x < -4
• x < 4

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

• ≤, ≥ 

• <, >

You flip an inequality symbol when you...

• subtract
• multiply and divide by any number

• subtract or multiple by a negative number

• multiple or divide by a negative number

Solve
-5m < 10

• m < -2
• m > -2
• m < -50
• m > -50

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

What inequality does the number line graph represent?

• x > 3
• x < -3