Unit 3B Test (Pre-Algebra)

Front

When do you "flip the inequalities sign"?

Back

When you multiply or divide a negative.

Front

What inequality does the number line graph represent if it includes 3 and extends to the right?

Back

x ≥ 3.

Front

Translate the Inequality: The sum of one and three-fifths of a number is at most 42.

Back

Front

What inequality does the number line graph represent if it extends to the left of -4 but does not include -4?

Back

x < -4.

Front

Translate the Inequality: A number is less than or equal to 4.

Back

Front

What is an inequality?

Back

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

Front

What does the symbol '≥' mean?

Back

It means 'greater than or equal to'.

Front

What does the symbol '<' mean?

Back

It means 'less than'.

Front

How do you solve an inequality?

Back

You isolate the variable on one side of the inequality using addition, subtraction, multiplication, or division.

Front

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

Back

The inequality sign flips.