Graph Inequalities in One Variable

Front

What does the inequality x < 2 represent on a number line?

Back

All numbers to the left of 2, not including 2.

Front

What does the inequality x > -2 represent on a number line?

Back

All numbers to the right of -2, not including -2.

Front

What symbol is used for an open dot when graphing inequalities?

Back

< or >.

Front

What does the inequality x < -2 represent on a number line?

Back

All numbers to the left of -2, not including -2.

Front

What does the inequality x > 2 represent on a number line?

Back

All numbers to the right of 2, not including 2.

Front

How do you graph the inequality x ≤ 3?

Back

Use a closed dot at 3 and shade to the left.

Front

How do you graph the inequality x ≥ -1?

Back

Use a closed dot at -1 and shade to the right.

Front

What does the inequality x < 0 represent on a number line?

Back

All numbers to the left of 0, not including 0.

Front

What does the inequality x > 5 represent on a number line?

Back

All numbers to the right of 5, not including 5.

Front

What is the difference between open and closed dots in graphing inequalities?

Back

Open dots indicate that the number is not included; closed dots indicate that the number is included.