Evaluate Variables in Inequalities

7x + 4.2 < -8

• coefficient

• factor

• inequality

• simplify

________is a quantity that may change within the context of a mathematical problem or experiment. Typically, we use a single letter to represent it.

• variable

• coefficient

• simplify

• constant

x-3y<9 x-3y≤9 x+3y>9 x+3y<9

• x-3y<9

• x-3y≤9

• x+3y>9

• x+3y<9

Which point below is NOT part of the solution set?

• (0, 0)

• (5, 1)

• (-1, -3)

• (20, -5)

Is the point (3, 1) 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.

Which point below is NOT part of the solution set?

• (0, 0)

• (-10, -10)

• (-1, 5)

• (5, 20)

Select the correct graph for each inequality.

• A

• B

• C

• _D

Which point below is NOT part of the solution set?

• (0, 0)

• (-10, 20)

• (3, 5)

• (0, -2)

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