Linear Inequalities & Systems EXTRA CREDIT

How can I tell if the graph of an inequality will have a solid line?

• It has just an equal sign.
• The symbol is greater than.
• The symbol has "or equal to."
• You just guess.

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CCSS.HSA.REI.D.12

Solid or dashed line?  
Y <

• Solid
• Dashed

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CCSS.HSA.REI.D.12

Solid or dashed line?  
Y ≥

• Solid
• Dashed

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CCSS.HSA.REI.D.12

Which point below is NOT part of the solution set?

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

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 is not a solution?

• (1, 3)
• (-1, 2)
• (3, -2)
• (5, 0)

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CCSS.HSA.REI.D.12

Which point is a solution?

• (0, 6)
• (-3, 4)
• (1, 0)
• (-4, 3)

Tags

CCSS.HSA.REI.D.12

Select the graph for y ≥ -3.

• A
• B
• C
• D

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CCSS.HSA.REI.D.12

Select the graph for 5x+ y ≤  -1 .

• A
• B
• C
• D

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CCSS.HSA.REI.D.12

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 shading below.

Tags

CCSS.HSA.REI.D.12