CCSS.Math.Content.HSA.REI.B.3

∣ 2x + 9 ∣ = 15

• x = 3 
• x = 3
  x = -6
• x = 3
  x = -12
• x = 6
  x = -12

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CCSS.Math.Content.HSA.REI.B.3

Solve   7 - 3y = 22

• -5
• 5
• 15
• -15

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CCSS.Math.Content.HSA.REI.B.3

Could x = - 5 be a solution to the inequality -6 < 3x + 9 < 21? 

• yes
• no 

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CCSS.Math.Content.HSA.REI.B.3

Solve:
3 | 2x + 7| - 7 < -4

• x < -3 and x > -5/3
• x < -3 and x > -4
• all real numbers
• no solution

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CCSS.Math.Content.HSA.REI.B.3

Solve the equation
3x = 27. 

• x = 24
• x = 81
• x = 9
• Why are there letters in math?!

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CCSS.Math.Content.HSA.REI.B.3

-119=1-6(3n-4)

• 11

• 8

• 14

• 9

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CCSS.Math.Content.HSA.REI.B.3

-(n - 8) = -2

• 6
• 10
• -10
• -6

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CCSS.Math.Content.HSA.REI.B.3

Find the error in the problem below
19 - 2k = 3k - 1
     +3k   +3k
19 + 1k = -1
-19           -19
k = -20

• They should have divided by 1 for the last step
• They should add 19 instead of subtracting 19
• I can not find an error
• Instead of adding 3k they should subtract 3k

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CCSS.Math.Content.HSA.REI.B.3

Solve:

• 4

• 6

• -2

• 5

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CCSS.Math.Content.HSA.REI.B.3

Solve:

-8b - 8 > 56

• b > 6

• b < -8

• b > -8

• b > 7/2

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CCSS.Math.Content.HSA.REI.B.3