7.PFA.4 Inequalities TEST

Front

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

Back

The inequality sign flips.

Front

Solve the inequality: -4x + 14 ≤ 54. What is the solution?

Back

x ≥ -10.

Front

When do you NOT flip the inequality sign?

Back

When you add or subtract the same number on both sides.

Front

What is the inequality that represents the maximum amount of hours a DJ can play if the total cost must be no more than $600?

Back

125x + 55 ≤ 600.

Front

What is the first step to solving the inequality 34 ≥ 6 - 7g for graphing?

Back

Move '6 - 7g' to the left side and flip the sign: 6 - 7g ≤ 34.

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions using inequality signs (>, <, ≥, ≤).

Front

What does the symbol '≤' mean?

Back

It means 'less than or equal to'.

Front

What does the symbol '≥' mean?

Back

It means 'greater than or equal to'.

Front

How do you graph an inequality on a number line?

Back

Use an open circle for < or > and a closed circle for ≤ or ≥, then shade in the direction of the inequality.

Front

What is the solution set of an inequality?

Back

The set of all values that make the inequality true.