Learning Recovery #7

What are the excluded values for this problem?

• x = - 3 and x = 4

• x = 3 and x = - 4

• x = 3 only

• x = - 4 only

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CCSS.HSA.APR.D.7

To add or subtract rational expressions we must have a _____________:

• greatest common factor

• common denominator

• calculator

• proportion

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CCSS.HSA.APR.D.7

Simplify the expression

• n / 2m 
• n / 3m 
• (m² + 4n²) / 12m
• n / 4m 

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CCSS.HSA.APR.D.7

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CCSS.HSA.APR.D.7

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CCSS.HSA.APR.D.7

Find the LCD of these fractions.  Start by factoring denominators!

• (x+2)(x-2)
• (x+2)
• (x-2)
• (x²-4)(x+2)

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CCSS.HSA.APR.D.7

• A.
• B.
• C.
• D.

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CCSS.HSA.APR.D.7

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CCSS.HSA.APR.D.7

What is the numerator of the simplified answer:

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CCSS.HSA.APR.D.7