Solving Linear Equations

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CCSS.7.EE.B.4A

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CCSS.8.EE.C.7B

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CCSS.8.EE.C.7B

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CCSS.7.EE.B.4A

Solve the given pair of linear equations

(a-b)x + (a+b)y = a2 -2ab -b2 

• x=a + b

  y=-2ab/(a +b)

• x=a -b

  y=2ab/(a-b)

• x=a- b

  y= -2ab/(a-b)

• x=a +b

  y= 2ab/(a +b)

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CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

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CCSS.8.EE.C.7B

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CCSS.8.EE.C.7B

Q1. What is the result of the following expression: 5 * 1.25?

• 6.25

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• -3/4

• -9.75

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CCSS.8.EE.C.7B

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1