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?

• <, >

• ≤, ≥

10 ≥ x - 3

• x ≤ 13

• x ≥ 13

• x ≤ 7

• x ≥ 7

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

• x > 15

• x < 15

• x ≤ 15

• x ≥ 15

To order from the kids menu a person must be no more than 12 years old (less than or equal to 12 years old).

• x > 12

• x < 12

• x ≥ 12

• x ≤ 12

Match:

You must be at least 48 inches tall (greater than or equal to 48 inches) to ride the bumper cars.

• h < 48

• h > 48

• h ≤ 48

• h ≥ 48

2x > 12

• x > 6

• x < 6

• x ≥ 6

• x ≤ 6

Write the inequality:
There are fewer than 20 days left in October. 

• x > 20
• x < 20
• x ≥ 20
• x ≤ 20

If you were to graph the inequality  would the circle be open or closed? 
x > 45 

• open
• closed

Mr. Gomez gets a notice from the bank when the amount in his checking account drops below $20. Which represents an amount that will require the bank to send a notice?

• $18

• $19

• $20

• $21

• $22