C5D8 Graphing Inequalities

C5L6 Graphing Inequalities in Two Variables

Mrs. Spencer, Algebra

Multiple Choice

Which inequality matches the graph?

• A

• B

• C

• D

Graphing Inequalities in Two Variables

Multiple Choice

Write an inequality for Graph 3.

• 5 < x ≤ -2

• x ≤ -2 OR x > 5

• x ≥ -2 OR x < 5

• -2 ≤ x < 5

Multiple Choice

Solve and graph:

• A

• B

• C

• D

Multiple Choice

-8x < 48 CAUTION: Dividing by a Negative!

• x < -6

• x > -6

• x < 6

• x > 6

Multiple Choice

For this symbol, $$\le$$ is it a solid line or a dashed line?

Multiple Choice

For this symbol, $$>$$ is it a solid line or a dashed line?

Graphing Linear Inequalities

• Check the type inequality

• Determine if the line is Solid or Dashed

Graphing Inequalities in Two Variables

​Shading

> greater than or ≥ greater than or equal to, shade above the boundary line

< less than or ​≤ less than or equal to, shade below the boundary line

Multiple Choice

Which point below is NOT part of the solution set?

• (0, 0)
• (5, 1)
• (-1, -3)
• (20, -5)

Multiple Choice

Which point below is NOT part of the solution set?

• (0, 0)
• (-10, -10)
• (-1, 5)
• (5, 20)

Multiple Choice

Which inequality matches the picture shown?

• y > x

• y < x

• y > x

• y < x

Multiple Choice

Which inequality matches the picture shown?

• y < -1/2 x + 5

• y < -1/2 x + 5

• y > -1/2 x + 5

• y > -1/2 x + 5

Multiple Choice

Consider the function y<2x+3. Which is true?

• The line would be solid with shading above.

• The line would be dashed with shading above.

• The line would be solid with shading below.

• The line would be dashed with the shading below.

Multiple Choice

Which of the following inequalities matches the graph?

• x > -2

• x < -2

• y > -2

• y < -2

Multiple Choice

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

Poll

Rank your understanding: 1 is low and 5 is high

• 1

• 2

• 3

• 4

• 5