Inequalities Review

Front

What does the inequality x ≥ -5 mean?

Back

The value of x is greater than or equal to -5.

Front

How do you solve the inequality x + 5 ≤ 13?

Back

Subtract 5 from both sides: x ≤ 8.

Front

What is the solution to the inequality 8x ≥ -32?

Back

Divide both sides by 8: x ≥ -4.

Front

If Johnny earns $15 per hour, which inequality represents how long he needs to work to earn at least $105?

Back

15h ≥ 105.

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operations, such as x - 4.

Front

What does the inequality x < 10 represent?

Back

The value of x is less than 10.

Front

How do you graph the inequality x > 3 on a number line?

Back

Draw an open circle at 3 and shade to the right.

Front

What is the solution to the inequality 2x + 3 < 11?

Back

Subtract 3 from both sides: 2x < 8, then divide by 2: x < 4.

Front

What does the inequality 5x ≤ 25 mean?

Back

The value of x is less than or equal to 5.

Front

How do you solve the inequality -3x > 9?

Back

Divide both sides by -3 (remember to flip the inequality): x < -3.