Equations and Inequalities

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using symbols such as >, <, ≥, or ≤.

Front

What does the symbol '≥' mean?

Back

'≥' means 'greater than or equal to'.

Front

What does the symbol '≤' mean?

Back

'≤' means 'less than or equal to'.

Front

What is the first step to solve the equation 3x ≥ 12?

Back

Divide both sides by 3 to isolate x.

Front

What is the solution to the inequality 2x < 10?

Back

x < 5.

Front

What happens to the inequality sign when you multiply or divide by a negative number?

Back

You must flip the inequality sign.

Front

Write the inequality for: A number s minus 2.4 is at least 8.

Back

s - 2.4 ≥ 8.

Front

Solve for a: a + 42 = -34.

Back

a = -76.

Front

Solve for x: (3x + 3)/6 = 10.

Back

x = 19.

Front

What is the rule for adding or subtracting in inequalities?

Back

Adding or subtracting a number does not change the direction of the inequality.