2023 Ch5 D9 CW Inequalities Review - Graphing and Short Answer

Front

What does an open circle on a number line represent in inequalities?

Back

Front

What does a closed circle on a number line represent in inequalities?

Back

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

Draw a closed circle at -2 and shade to the left.

Front

Back

Draw a closed circle at -6 and shade to the right.

Front

Back

Draw an open circle at 3 and shade to the left.

Front

What is the difference between strict and non-strict inequalities?

Back

Strict inequalities (<, >) use open circles; non-strict inequalities (\leq, \geq) use closed circles.

Front

Back

An open circle at 5 with shading to the right.

Front

Back

A closed circle at 0 with shading to the left.