Graphing Linear Inequalities

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 of the following is true of the given graph?

y ≥ -2x + 1

• The graph is a dotted line, shaded above.

• The graph is a solid line, shaded above.

• The graph is a dotted line, shaded below.

• The graph is a solid line, shaded below.

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CCSS.HSA.REI.D.12

• A dotted line

• A solid line

• Shade up

• Shade down

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CCSS.HSA.REI.D.12

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

• It has 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

Are the points on the boundary line part of the solution set or not?

• Yes, they are part of the solution set

• No, they are NOT part of the solution set

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CCSS.HSA.REI.D.12

Solid or Dashed Line?

y > 3x+7

• Solid

• Dashed

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CCSS.HSA.REI.D.12

Solid or Dashed Line?

• Solid

• Dashed

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CCSS.HSA.REI.D.12

Do we shade ABOVE or BELOW?

• Above

• Below

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CCSS.HSA.REI.D.12

Do we shade ABOVE or BELOW?

y > 4x-10

• Above

• Below

Tags

CCSS.HSA.REI.D.12

y ≥ -2x - 2 will have what type of line

• dashed

• solid

Tags

CCSS.HSA.REI.D.12