Graphing Inequalities Basics

When graphing an inequality, use a closed dot with the symbols

• ≤ or ≥

• < or >

• < or ≤

• > or ≥

When graphing an inequality, use a open dot with the symbols

• ≤ or ≥

• < or >

• < or ≤

• > or ≥

Which inequality represents -2 < x?

• A

• B

• C

• D

How can I tell if an inequality will have a solid line?

• It has an equal sign.

• The symbol is greater than.

• The symbol has "or equal to."

• You just guess.

Will my line be solid?
5 ≥ x

• Yes

• No

• below

• above

This graph is shaded (a)   the line

The line is ​ (b)   because it is ​ (c)  

• above

• below

• dashed

• solid

This graph is shaded (a)   the line

The line is ​ (b)   because it is ​ (c)  

• above

• below

• dashed

• solid

This graph is shaded (a)   the line.

The line is ​ (b)   because it is ​ (c)  

• above

• below

• dashed

• solid

Shade above the line.

Answer explanation