Graphing Inequalities on a Number Line

Front

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

Back

<, >

Front

Which graph represents the inequality k < 3?

Back

Graph A

Front

What inequality does the number line graph with an open dot at -4 represent?

Back

x < -4

Front

Which graph represents the inequality r ≥ -6?

Back

Graph A

Front

What type of circle is used to graph x < 3?

Back

Open circle

Front

What does a closed dot indicate when graphing inequalities?

Back

The value is included in the solution (≤ or ≥).

Front

What does an open dot indicate when graphing inequalities?

Back

The value is not included in the solution (< or >).

Front

How do you graph the inequality x ≥ 5 on a number line?

Back

Use a closed dot at 5 and shade to the right.

Front

How do you graph the inequality y < -2 on a number line?

Back

Use an open dot at -2 and shade to the left.

Front

What is the difference between ≤ and < in graphing?

Back

≤ includes the endpoint (closed dot), < does not (open dot).