Linear Inequalities

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.

Tags

CCSS.HSA.REI.D.12

Do I need to flip my sign?
2x -3y  ≥ 12

• Yes
• No

Tags

CCSS.HSA.REI.B.3

Which point below is NOT part of the solution set?

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

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Are the points on the 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

Tags

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

Select the graph for y ≥ -3.

• A
• B
• C
• D

Tags

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.12

Select the graph for 5x+ y ≤  -1 .

• A
• B
• C
• D

Tags

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.12

Select the correct graph for each inequality. y≤ -¾x -1

• A
• B
• C
• D

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.12

Which of the following equations match the given graph?

• y  < 2/5x + 1
• y ≥ -2/5x + 1
• y ≤  2/5x + 1
• y ≥ -2/5x - 1

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.12

Write the linear inequality in standard form for this situation: In order to raise money to attend upcoming competitions, the Math Pentathalon team is selling apple cider and hot chocolate. They hope to make at least $240 by selling hot chocolate for $1 a glass and hot apple cider for $2 a glass.

• x + 2y < 240
• x + 2y > 240
• x + 2y ≤ 240
• x + 2y ≥ 240

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

Which point is not a solution?

• (1, 3)
• (-1, 2)
• (3, -2)
• (5, 0)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11