Graphing Inequalities

Front

What does an open circle mean?

Back

The number is NOT part of the solution.

Front

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

Back

<, >

Front

What does a closed circle mean?

Back

The number is part of the solution.

Front

What inequality represents the graph with a closed dot at 3?

Back

Front

What inequality represents the graph with an open dot at 3?

Back

X < 3

Front

How do you graph the inequality x < 6?

Back

Draw a number line, place an open dot at 6, and shade to the left.

Front

What does the inequality x > 3 look like on a graph?

Back

Open dot at 3 and shading to the right.

Front

What is the difference between x < 3 and x <= 3?

Back

x < 3 has an open dot; x <= 3 has a closed dot.

Front

How do you represent the inequality x >= 2 on a graph?

Back

Closed dot at 2 and shading to the right.

Front

What does the symbol < mean in an inequality?

Back

It means 'less than'.