7.PFA.4 Inequalities TEST

Front

What is an inequality?

Back

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

Front

What does the symbol '≤' mean?

Back

The symbol '≤' means 'less than or equal to'. It indicates that one value is either less than or equal to another value.

Front

What does the symbol '≥' mean?

Back

The symbol '≥' means 'greater than or equal to'. It indicates that one value is either greater than or equal to another value.

Front

When do you flip the inequality sign?

Back

You flip the inequality sign when you multiply or divide both sides of the inequality by a negative number.

Front

Back

Front

Back

You draw a number line, place a closed circle on 4, and shade to the left to indicate all numbers less than or equal to 4.

Front

Back

Front

Back

It means that x can be any number less than 10.

Front

Back

Front

Back

It means that the number of people, x, cannot exceed 400.