Linear Inequalities Quick Check

Which point below is NOT part of the solution set?

• (0, 0)

• (-10, 20)

• (3, 5)

• (3, 0)

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

• It has an equal sign.

• The symbol is greater than or less than.

• The symbol has "or equal to."

• You just guess.

If the inequality symbol is  $\le$   or  $\ge$ , the line will be  ___________.

• solid

• dotted

If the inequality symbol is  $<$  or  $>$ , the line will be _________.

• solid

• dotted

If the inequality symbol is  $>$  or  $\ge$  you shade ________.

• above

• below

If the inequality symbol is  $<$  or  $\le$   you shade ________.

• above

• below

Select the correct graph for each inequality.

• A
• B
• C
• D

Which of the following equations match the given graph?

• y ≤ -3/4 x + 3
• y ≥ -3/4 x + 3
• y < -3/4 x + 3
• y > -3/4 x + 3

Is the point (1, 2) a solution for the following inequality? Choose the best answer that has the best explanation.

• Yes because it is located in the shaded region.

• No because it is located on the line and the line is dotted.

• Yes because it is located on the line.

• No because it is in the shaded region.

Will my line be solid?
5 ≥ x

• Yes
• No