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Answer Key HW #28 p.248 & 249 #s 1 -23 ( odds ). 2. For the fraction to be undefined x = -2. For the fraction to be undefined x = 3. opp. Denominator factors. -1. Numerator factors. -20. -6. 2. -10. -6. 1. opp. -8. -5. 2n. +1. 2n. +1. 2n. 4n 2. +2n. n. 2n 2. +1. -10n.
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Answer Key HW #28 p.248 & 249 #s 1 -23 (odds) 2 For the fraction to be undefined x = -2 For the fraction to be undefined x = 3
opp Denominator factors -1 Numerator factors -20 -6 2 -10 -6 1 opp -8 -5 2n +1 2n +1 2n 4n2 +2n n 2n2 +1 -10n -5 2 -3 -6n -3 -5 3
Rewrite the numerator in descending order Factor out a -1 to make the a2 positive Denominator factors -60 -5 12 +7 x +2 6x 6x2 +12x -5x -10 -5