Tuesday - inequalities

Which point below is NOT part of the solution set?

• (0, -2)
• (1, 1)
• (3, 3)
• (2, 10)

Tags

CCSS.HSA.REI.D.12

Which point below is NOT part of the solution set?

• (3, 4)
• (0, 4)
• (-2, 6)
• (6, 2)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

Is (-1, 0) a solution to this inequality?

• Yes
• No

Tags

CCSS.HSA.REI.D.12

Is (-2, 4) a solution to this inequality?

• Yes
• No

Tags

CCSS.HSA.REI.D.12

Which of the following inequalities matches the graph?

• y < -4x - 1
• y > -4x - 1
• y ≤ -4x - 1
• y ≥ -4x - 1

Tags

CCSS.HSA.REI.D.12

Which of the following inequalities matches the graph?

• y ≤ 3/4x + 5
• y ≥ 3/4x + 5
• y < 3/4x + 5
• y > 3/4x + 5

Tags

CCSS.HSA.REI.D.12

Which of the following inequalities matches the graph?

• x > -2
• x < -2
• y > -2
• y < -2

Tags

CCSS.HSA.REI.D.12

Aleris is sending a fancy organic fruit basket to her grandma for her birthday.  Apples cost $3 and oranges cost $2.  Aleris can spend no more than $24 on the gift.  
Write an inequality that describes the situation.
Let x = # of apples
Let y = # of oranges

• 3x + 2y < 24
• 3x + 2y > 24
• 3x + 2y ≤ 24
• 3x + 2y ≥ 24

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

In order to make some extra money, Justin is mowing lawns.  He charges $11 to mow a small lawn and $26 to mow a large lawn.  He would like to make at least $130.
Write an inequality that describes the situation.
Let x = # of small lawns mowed
Let y = # of large lawns mowed

• 11x + 26y ≥ 130
• 11x + 26y ≤ 130
• 11x + 26y > 130
• 11x + 26y < 130

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

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.

Tags

CCSS.HSA.REI.D.12