Inequalities Solution Practice

Every day, a man needs to eat more than 1800 but less than 1900 calories. Write an inequality representing the possible amount of calories you could get.

•  1800 ≤ c ≤ 1900

• 1800 ≤ c < 1900

• 1800 < c ≤ 1900

• 1800 < c < 1900

Your family needs 3 pounds of meat today, but you don’t want to buy any more than 6 pounds. Write an inequality representing the possible pounds of meat you could buy today.

• 3 < m < 6

• 3 ≤ m < 6

• 3 < m ≤ 6

• 3 ≤ m ≤ 6

Write the set of numbers inset-builder notation.
(−∞, 7) or [20, ∞)

• {x∣x < 7 or x ≥ 20}

• {x∣x ≤ 7 or x ≥ 20}

• {x∣x < 7 or x > 20}

• {x∣x < 7 or x > 20}≤

Which of these means that x is greater than or equal to 12

• x ≥ 12

• x  > 12

• x ≠ 12

• x ≥ 15

Which of the following is the solution of  2x + 3 ≤ 9 in real numbers?

• x ≤ 3

• x ≥ 2

• x ≤ 6

• x < 6

Solve the expression 3x - 7 < 8.

• x < 7

• x < 8

• x < 3

• x < 5

x < 6

• A

• B

• C

• D

• x > 5

• x < 5

• x < 5

• x > 5

• 2x < 32

• 2x > -32

• 2x < -32

• 2x < -32

3x + 6 < 9

• x < 1

• x > 1

• x < -3

• x > -3