Intro to Inequalities

How do you read this inequality?

• w is less than or equal to 9

• w is greater than or equal to 9

• w is less than 9

• w is greater than 9

How do you read this inequality?

• r is less than or equal to 100

• r is greater than or equal to 100

• r is less than 100

• r is greater than 100

• z is less than or equal to 10

• z is greater than or equal to 10

• z is less than 10

• z is greater than 10

How do you read this inequality?

• x is less than or equal to 6

• x is greater than or equal to 6

• x is less than 6

• x is greater than 6

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.

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

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.

x fewer than 6

• x < 6

• x > 6

• x ≥ 6

• x ≤ 6

x is less than -3

• x < -3

• x > -3

• x ≤ -3

• x ≥ -3