Understanding Inequalities and Graphing

What does an inequality compare?

• Two numbers

• Two expressions

• Two shapes

• Two colors

What does an open circle on a graph of an inequality mean?

• The number is included

• The number is not included

• The number is zero

• The number is negative

If an inequality has a closed circle, what does it indicate?

• The number is negative

• The number is zero

• The number is part of the solution

• The number is not part of the solution

What does the direction of the arrow in a graph of an inequality show?

• The range of solutions

• The direction of the wind

• The size of the number

• The color of the line

How do you know if a value is part of the solution set in a graph?

• It is at the end of the line

• It is in the shaded area

• It is outside the shaded area

• It is at the start of the line