Sec 6.1-Focus - 2 5x + 15 e) 6x 3x 2 2x 4 f) 2x 2 6x 3 x g)...

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Rational Expressions page 6.1 - 13 Section 6.1 Focus Exercises 1. For each fraction, identify the value that x cannot be. a) x + 1 x – 8 b) 3x + 7 x + 3 c) 6x + 12 4 – x d) 2x – 14 3x – 15 e) 4x + 6 4x – 8 f) x 12x + 4 g) 4x 2 12 – 2x h) x 2 + 8x + 16 5 – 10x 2. Simplify each fraction by factoring each numerator and denominator. Some of these have factors that can reduce to either 1 1 or -1 1 . (You may need to first write the numerator or denominator in descending order.) a) x 2 + 5x 2x + 10 b) 5x – 10 x 2 – 4 c) 4x + 20 15 + 3x d) 3x + x
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Unformatted text preview: 2 5x + 15 e) 6x 3x 2 2x 4 f) 2x 2 6x 3 x g) 4 x 2-2 + x h) 9 x 2 4x + 12 Rational Expressions page 6.1 - 14 3. Simplify each rational expression. a) x 2 + 3x 2x + 6 b) x 2 + 2x 15 x 2 9 c) x 2 + 8x + 12 x 2 + 2x d) 3x 2 + 12x 8 + 2x e) x 2 3x 4 16 4x f) x + 6 x 2 + 5x 6 g) x 2 8x + 12 6x 3x 2 h) 6 2x x 2 + 7x 30 i) 4x 2 12x + 5 4x 2 1 j) x 2 + 2x 48 x 2 7x + 6...
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This note was uploaded on 01/13/2012 for the course MATH 52 taught by Professor Janetfrewing during the Fall '10 term at Riverside Community College.

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Sec 6.1-Focus - 2 5x + 15 e) 6x 3x 2 2x 4 f) 2x 2 6x 3 x g)...

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