Introduce Inequalities

An ordered pair that makes an inequality true

• Equation

• Solution

• Answer

• Point

You and your friends ate more than 8 slices of pizza at the party.

• x > 8

• x < 8

• x ≤ 8

• x ≥ 8

What would be the first step in solving the inequality for 2x+7>15?

• Add 7 to both sides

• Subtract 7 from both sides

• Divide both sides by 2

• Multiply both sides by 2

Match:
You must be at least 48 inches tall to ride the bumper cars.
Let h be your height in inches.

• h < 48

• h > 48

• h ≤ 48

• h ≥ 48

n<20

• The maximum number of drivers who passed the driving test is 20.

• The number of drivers who passed the driving test is exceed 20.

• The number of drivers who passed the driving test is less than 20.

• The minimum number of drivers who passed the driving test is 20.

To solve the inequality: x/3 < 4 What needs to be done first?

• Multiply both sides by 3.

• Divide both sides by 3.

• Add 3 to both sides.

• Subtract 3 from both sides.

You can spend no more than 20 dollars on your mom's birthday present.

• x > 20

• x < 20

• x ≤ 20

• x ≥ 20

x is less than -3

• x < -3

• x > -3

• x ≤ -3

• x ≥ -3

x is 

• less than 90734

• greater than or equal to 90734

• greater than 90734

• less than or equal to 90734

x fewer than 6

• x < 6

• x > 6

• x ≥ 6

• x ≤ 6