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College Algebra & Trigonometry, 2018a

College Algebra & Trigonometry, 2018a

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Answer Key<br />

Section 1.1<br />

1) −x 2 − 16x − 13 3) 3b 2 5) 6m − 3<br />

7) −2a 2 +19a − 58 9) 2y 2 +24y − 22<br />

Section 1.2<br />

1) 8a 2 b 2 (b +3) 3) 13t 2 (t 6 +2t 2 − 3)<br />

5) 9mn 3 (5m 3 n 2 +4n 3 +9m) 7) (a +2)(a +1)<br />

9) (x − 9)(x +3) 11) (m +9)(m − 6)<br />

13) (a +3)(a − 3) 15) (k +7)(k − 7)<br />

17) 6(x +3)(x − 3) 19) 2(10 + a)(10 − a)<br />

21) 2(7+2k)(7 − 2k) 23) 5(y +4)(y − 4)<br />

25) 2(2y + 7)(2y − 7) 27) k(6+7k)(6 − 7k)<br />

509

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