Flip or No Flip - Inequality Review

Front

What happens to the inequality sign when you divide or multiply both sides by a positive number?

Back

The inequality sign does not flip.

Front

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

Back

The inequality sign flips.

Front

What is an inequality?

Back

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

Front

If 2x < 20, what is the solution for x?

Back

x < 10.

Front

If -5 + 2x > 8, what is the solution for x?

Back

x > 6.5.

Front

If -12y < -24, what is the solution for y?

Back

y > 2.

Front

If 3x - 7 < -22, what is the solution for x?

Back

x < -5.

Front

What does it mean to 'flip' the inequality sign?

Back

To 'flip' the inequality sign means to change it from < to > or from > to < when multiplying or dividing by a negative number.

Front

When solving inequalities, what is the first step?

Back

Isolate the variable on one side of the inequality.

Front

What is the difference between an equation and an inequality?

Back

An equation states that two expressions are equal, while an inequality shows that one expression is greater or less than another.