Simplifying Rational Expressions_Blk_6

• A
• B
• C
• D

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CCSS.HSA.APR.D.6

• A
• B
• C
• D

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CCSS.HSA.APR.D.6

Simplify the expression

• 1

• -1

• Can't be simplified

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CCSS.HSA.APR.D.6

Simplify

• (x-9)/(x+9)
• 1/(x-9)
• (x+9)
• 1/(x+9)

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CCSS.HSA.APR.D.6

Simplify.

• A.
• B.
• C.
• D.

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CCSS.HSA.APR.A.1

Simplify.

• 1/(n-7)
• n-7
• (n-6)/(n-7)
• n-6

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CCSS.HSA.APR.D.6

Multiply and Simplify

• 4(x+3)/(x+2),

• (x+2)/4(x+1)

• (x+2)/4(x+3),

• 4(x+1)/(x+2),

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CCSS.HSA.APR.D.7

Divide the Rational Expression. When you divide fractions you multiply by the reciprocal.

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• B

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• D

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CCSS.HSA.APR.D.6

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CCSS.HSA.APR.D.6

Which polynomials would be factored by Grouping?

Check all that apply.

• 8x² + 10x

• 8x² + 10x - 21

• x² - 11x - 12

• 5x³ - 30x² - 6x + 36

Answer explanation

Throughout our lessons you should have been taking note of when to do which type of factoring.

**GCF: any terms as long as they have a common factor other than 1.
**Grouping: only when you have 4 terms.
** Product/Sum or Slide & Divide (both similar methods): only for trinomials.