Unit 3 Application and Review Answers
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p. 284 |
9.3 (x+12)(x-1) |
13.11 4(3x+2)(3x-2) |
p. 368 |
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3.1 5x2+x |
9.4 x(x-4) |
13.12 1/2 |
16.1 |
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3.2 3y2-y+2 |
9.5 x = 3/2 |
13.13 |
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3.3 -m2+m+13 |
9.6 (x-6)(x-2) |
16.2 z = 2 |
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3.4 2x2y+2y2+
x2+ y2 |
9.7 (y+2)(y-1) |
13.14 |
16.3 |
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3.5 0 |
9.8 (x-7)(x+3) |
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3.6 -x+4 |
p. 330 |
13.15 |
16.4 |
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3.7 4 x2+2x-3 |
12.1 x(x+2)(x-2) |
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3.8 no, variable in denominator |
12.2 x2(x+3)2 |
13.16 (1-x)2 |
16.5 w > 1 |
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12.3 5x(x+5)2 |
13.17 |
16.6 |
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p. 288 |
12.4 x(x+9)(x-9) |
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4.1 2 p2 +3p+11 |
12.5 x(x-5)2 |
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4.2 2 x4+ x3+
x2 |
12.6 2x(4x-1)(x+4) |
p. 352 |
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4.3 5 x2+xy-3 y2 |
12.7 x(x+8)(x-8) |
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4.4 6 y3 +6y |
12.8 (2y+1)(y-2) |
14.1 |
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4.5 y2(y-1) |
12.9 (x+7)(x-2) |
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14.2 |
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4.6 -6 x5+18 x4+6x3 |
12.10 (3z+1)(z+2) |
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4.7 a4b+ a3
b2+ a2b3 |
12.11 (x+9)2 |
14.3 |
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4.8 no, variable in the radical |
12.12 3(x+6)(x-1) |
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12.13 (x-4)(10x+3) |
14.4 -6(x+5)(x+4) |
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p. 297 |
12.14 7(y+2)(y-2) |
14.5 |
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6.1 x2+5x+4 |
12.15 (2q-1)(q+4) |
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6.2 6x |
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14.6 |
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6.3 4 m3-3 m2+15m+4 |
p. 342 |
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6.4 4 y2+4y+1 |
13.1 |
14.7 a + 2 |
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6.5 x3-3x+2 |
14.8 |
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6.6 - x2+x-2 |
13.2 7(x-2)(x+2) |
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6.7 y3+ y2-9y-9 |
13.3 |
14.9 2(x+1)(x+2) |
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6.8 -2 x4-8 x3+2x |
14.10 3(x-2) |
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13.4 |
14.11 |
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p. 311 |
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8.1 x(x3+3x-40) |
13.5 |
14.12 0 |
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8.2 x(x2+8x+15) |
14.13 |
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8.3 7 x2(x2+6) |
13.6 |
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8.4 x= 17/5 |
14.4 2(5x-7)(2x+3) |
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8.5 m(m-7) |
13.7 (3y-2)(y+1) |
14.15 |
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8.6 x2(x3-x-30) |
13.8 |
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8.7 y(y2+3y-54) |
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13.9 |
14.16 |
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p. 318 |
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9.1 (x+6)(x-3) |
13.10 |
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9.2 7 x2(x2+6) |
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