Math 209 Week 3

Math 209 Week 3 - 7x - 10 - x^2 -3x^2 + 16x - 5-x + 2-3x +...

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Sheet1 Page 1 Math 209 Week 3 28) x^2 - 3 x + 9 x + 9 = 0 x = -9 x is not - 9 73) 3a - 2b 2b - 3a -1(3a - 2b) 2b - 3a - 1 26) 5 b^2 + b 5 b(b + 1) 2(b^2 + 1) b + 1 52) 3y - 2 2y + 1 3y - 2 * 3y - 2 9y^2 - 12y + 4 b^3 + b * 10 b (b^2 + 1) * 10 6y^2 - y - 2 / 2y + 1 6y^2 - y - 2 * 3y - 2

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Sheet1 Page 2 60) 8a^3b^9 6a^2c 24a^3b^9c 24a^3b^9c LCD 62) 12a^6b 14a^3 2ab^3 84a^6b^3 84a^6b^3 84a^6b^3 68) x^2 - 1 x^2 - 2x + 1 (x + 1) (x - 1) (x - 1) (x + 1) (x - 1) (x - 1) (x + 1) (x - 1) (x - 1) (x + 1) (x - 1) (x - 1) 64) 2x - 4 2 - x - 2x + 4 4 - 2x 2(2 - x) 2(2 - x) - 11 2(2 - x) 74) 4c + 2 2c^2 + c 6c 12c^2 + 6c 12c^2 + 6c 12c^2 + 6c -7c + 19 12c^2 + 6c pg. 418 24) 3/x + 3/y 3y + 3x y + x 3(y + x) 1 3 3 , 5 9c , 20ab^9 5 , 3b , 1 35b^2 , 18a^3b^4 , 42a^5 5x , -4 5x( x - 1) , -4 ( x + 1) 5x^2 - 5x , -4x -4 5 - 3 - 5 - 6 - 5 - 6 3 - c - 4 - 5 9c - 6c - 24 - 10c + 5 1/x + 1/y = y + x
Sheet1 Page 3 40) (3x / (5 - x)) - 1 (3x / -x + 5) - 1 -2(-x + 5) + x (-x + 5) 3x(-x + 5) - 1 (-x + 5) 2x - 10 - x^2 + 5x -3x^2 + 15x + x -5

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Unformatted text preview: 7x - 10 - x^2 -3x^2 + 16x - 5-x + 2-3x + 1 pg. 424 38) x x - 3 x - 3 3 12x - 36 + 9x= 3x^2 - x^2 + 3x 2x^2 - 18x + 36 (2x - 6) (x - 6) x = 3 or x = 6 50) x -3 9 = x^2 x = 3 or - 3 pg. 431 & 432 26) Hits - 12 Missed - 48 1 to 4 32) 9/ x = 3/2 18/ 3 = x x = 6 (2/ x - 5) - x = (- 2 / -x + 5) + x 4 + 3 = x- 1 -3 = x . Sheet1 Page 4 44) h / h - 3 = h / h - 9 h^2 - 9h = h^2 - 3h 0 = 6h No solution pg. 440 16) r F F F 18) R to the little 1 or 2 to the bottom right corner Couldn't figure it out how to display it in excel. R R1 R2 R2 + R1 R2 + R1 24) 2r 2rh = s - 2r^2 2rh + 2r^2 = s or 2r(h + r) = s 38) s = 45 e x t J = 70 x+ 5 t + 30 x + 5 x 2 x + 5 x 1 140x - 90(x + 5) = x (x + 5) 140x - 90x - 450 = x^2 + 5x x^2 - 45x + 450 (x - 30) (x - 15) Smith is 30 and Jones is 35 or Smith is 15 and Jones is 20 F = mv^2 r(F) = mv^2 R = MV^2 1 = 1 + 1 R1 (R2) = R (R2 + R1) R = R1(R2) h = s - 2r^2 70 - 45 = 1 140 - 90 = 1...
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This note was uploaded on 09/06/2011 for the course MATH 209 n/a taught by Professor N/a during the Winter '05 term at University of Phoenix.

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Math 209 Week 3 - 7x - 10 - x^2 -3x^2 + 16x - 5-x + 2-3x +...

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