MAT_1033_Fall_11_Exam_4_Review

MAT_1033_Fall_11_Exam_4_Review - MAT 1033 Fall 11 Ref:...

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MAT 1033 Fall 11 Ref: 637104 Mr. Guillen Review for Exam 4 Exam 4 will be on 12/07/11 and covers the following sections: 7.2, 7.3, 7.4, 7.5, 7.6, 7.7, 8.4. Multiply or divide as indicated. Simplify completely. 1) 4x - 4 x · 7x 2 8x - 8 1) 2) 110xy 2 x 2 - 9 · 11x - 33 10x 2 y 2 2) 3) x 2 + 10x + 21 x 2 + 11x + 28 · x 2 + 4x x 2 + 9x + 18 3) 4) x 2 + 6x + 9 x 2 + 10x + 21 · x 2 + 7x x 2 - 4x - 21 4) 5) x 2 + 16x + 63 x 2 + 13x + 36 · x 2 + 11x + 28 x 2 + 14x + 49 5) 6) x 2 - 15x + 50 x 2 - 13x + 22 · x 2 - 10x + 16 x 2 - 6x + 5 6) 7) 2x 2 5 ÷ x 3 40 7) 8) x 2 - 8x + 16 11x - 44 ÷ 6x - 24 66 8) 9) x 2 + 9x + 18 x 2 + 11x + 30 ÷ x 2 + 3x x 2 + 12x + 35 9) 10) 6x 2 - 23xy + 20y 2 6x 2 - 17xy + 12y 2 ÷ 12x 2 - 18xy - 30y 2 36x 2 + 78xy + 42y 2 10) 11) x 2 - 9x + xy - 9y 11x 2 - 11y 2 ÷ x - 9 10x - 10y 11) 12) x 2 + 5x - 6 x 2 + 9x + 18 ÷ x 2 - 1 x 2 + 7x + 12 12) 13) 5x 2 + 27x - 56 7x - 49 · x 2 - 7x 25x 2 - 64 ÷ 3x + 21 2x 3 13)
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Perform the indicated operation. Simplify if possible. 14) x x + 5 + 6 x + 5 14) 15) 3 13x + 8 13x 15) 16) 4x 2 x - 1 + - 4x x - 1 16) 17) 8x - 11 x 2 - 10x + 9 + 2 - 7x x 2 - 10x + 9 17) 18) 2 r + 9 r - 5 18) 19) 3 r + 5 r + 6 19) 20) m + 5 m 2 + 5m - 14 + 5m + 8 m 2 + 8m + 7 20) 21) 3 y 2 - 3y + 2 + 5 y 2 - 1 21) 22) 7 z 2 - 9 z 22) 23) x x 2 - 16 - 7 x 2 + 5x + 4 23) 24) b b 2 - 25 + 5 b + 5 - 6 b 24) 25) 24 x 2 + 4x + 4 x + 6 x + 4 25) 26) 5x x + 1 + 6 x - 1 - 10 x 2 - 1 26) Solve the equation. 27) 44 x = 5 - 1 x 27)
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28) 3 x + 3 - 7 x - 3 = 6 x 2 - 9 28) 29) 1 x + 7 + 3 x + 4 = - 3 x 2 + 11x + 28 29) 30) x + 8 x 2 + 2x - 3 - 8 x 2 + 6x + 9 = x - 8 x 2 + 2x - 3 30) 31) 6 5x - 1 x + 1 = 1 3x 2 + 3x 31) 32) 1 x + 1 x - 4 = x - 3 x - 4 32) 33) 40 25 - x 2 + 5 5 + x = 4 5 - x 33) Solve the equation for the specified variable. 34) PV T = pv t for P 34) 35) A = 1 2 h(B + b) for b 35) 36) P = Fd t for t 36) 37) 1 a + 1 b = c for b 37) 38) 1 p + 1 q = 1 f for f 38) Solve. 39) Two times the reciprocal of a number equals 24 times the reciprocal of 30.
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This note was uploaded on 12/04/2011 for the course MAT 1033 taught by Professor Staff during the Fall '08 term at Miami Dade College, Miami.

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MAT_1033_Fall_11_Exam_4_Review - MAT 1033 Fall 11 Ref:...

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