Inequalities: Graphing on a Number Line

Front

What symbol do you use for a closed dot when graphing inequalities?

Back

≤, ≥

Front

What symbol do you use for an open dot when graphing inequalities?

Back

<, >

Front

What does the number line graph with a closed dot at -5 and shading to the right represent?

Back

x ≥ -5

Front

What must you do to graph the inequality x > 4?

Back

Draw an open circle at 4.

Front

If Amani's mom spends more than 2 hours planning, what inequality represents this situation?

Back

x > 2

Front

What does an open dot on a number line indicate?

Back

The value is not included in the solution.

Front

What does a closed dot on a number line indicate?

Back

The value is included in the solution.

Front

How do you represent the inequality x ≤ 3 on a number line?

Back

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

Front

How do you represent the inequality x < 1 on a number line?

Back

Draw an open dot at 1 and shade to the left.

Front

What is the difference between x < 5 and x ≤ 5?

Back

x < 5 does not include 5; x ≤ 5 includes 5.