Closed and Open Inequality

Solve the inequality: 2c + 9 < 25

• c < 8

• c = 8

• c > 8

• c < 5

Solve the inequality: 3x + 5 > 17

• x = 4

• x > 4

• x > 17

• x < 4

Solve the inequality: 4a + 7 ≥ 31

• a > 6

• a ≤ 6

• a ≥ 6

• a = 6

Graph the inequality on a number line: a ≥ 2

• Open circle at 2, shade to the left

• Closed circle at 2, shade to the left

• Closed circle at 2, shade to the right

• Open circle at 2, shade to the right

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.

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

x is less than -3

• x < -3

• x > -3

• x ≤ -3

• x ≥ -3

x fewer than 6

• x < 6

• x > 6

• x ≥ 6

• x ≤ 6

Solve the inequality 5x - 8 ≤ 27.

• x ≥ 7

• x = 27

• x ≤ 7

• x ≤ 5

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.