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

Will I need to flip my sign if I convert to slope-intercept form? 2x -3y  ≥ 12

• Yes
• No

Tags

CCSS.HSA.REI.D.12

Which point below is NOT part of the solution set?

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

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CCSS.HSA.REI.D.12

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.12

Select the graph for y ≥ -3.

• A
• B
• C
• D

Tags

CCSS.HSA.REI.D.12

Select the graph for 5x+ y ≤  -1 .

• A
• B
• C
• D

Tags

CCSS.HSA.REI.D.12

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

• A
• B
• C
• D

Tags

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.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

• y  < -2/5x - 4 
• y  > -2/5x - 4 
• y  ≤ -2/5x - 4 
• y  ≥ -2/5x - 4 

Tags

CCSS.HSA.REI.D.12