3yx2 15xy 9y2 b 3y5x 3y2 25x2 15xy 9xy2 d

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Unformatted text preview: )(64y2 - 56y + 49) C) (8y + 7)(64y2 + 56y + 49) 33) 375x3 y - 81y4 33) A) 3y(125x - 3y)(x2 + 15xy + 9y2 ) B) 3y(5x + 3y2 )(25x2 - 15xy + 9xy2 ) D) (15xy - 9y2 )(25x2 + 9y2 ) C) 3y(5x - 3y)(25x2 + 15xy + 9y2 ) Solve the equation. 34) x3 - x = - 7x2 + 7 A) 1, - 7 , 7 34) B) - 7 , 7 C) 49 D) - 1, 1, - 7 Solve. 35) Find the length of the shorter leg of a right triangle if the longer leg is 24 meters and the hypotenuse is 6 more than twice the shorter leg. A) 9 m B) 17 m C) 18 m D) 10 m Find the domain of the rational function. 1 - 6x 36) f(x) = 2 - 4x - 32 x A) x|x is a real number and x ≠ 8, x ≠ - 4, x ≠ 35) 36) 1 6 1 B) x|x is a real number and x ≠ 8, x ≠ - 4, x ≠ , x ≠ 0 6 C) {x|x is a real number and x ≠ - 8 , x ≠ - 4} D) {x|x is a real number and x ≠ 8 , x ≠ - 4} 4 Simplify the rational expression. x2 + 11x + 30 37) x2 + 12x + 35 A) - x2 + 11x + 30 x2 + 12x + 35 37) B) 11x + 30 12x + 35 C) 11x + 6 12x + 7 D) x + 6 x + 7 Multiply or divide as indicated. Simplify completely. x2 + 8x + 15 x2 + 7x 38) · 2 + 10x + 21 x2 + 9x + 20 x A) 39) x2 + 7x x + 4 B) 38) 1 x + 4 C) x x + 4 D) x x2 + 10x + 21 x2 + 5x - 6 x2 - 1 ÷ x2 + 9x + 18 x2 + 7x + 12 A) x + 4 x - 1 39) B) x + 1 x + 4 C) x + 4 x + 1 D) x - 1 x + 4 Perform the indicated operation. Simplify if possible. 8x2 - 8x + 40) x - 1 x - 1 A) 8x B) 40) 8x x - 1 C) 0 D) 8x(x + 1) x - 1 Solve the equation. x + 5 5 x - 5 41) - = x2 + 3x + 2 x2 + 4x + 4 x2 + 3x + 2 A) - 15 41) B) - 3 C) 3 D) 0 Perform the indicated operation. Simplify if possible. 2m + 1 m - 5 + 42) m 2 - 7m + 6 m 2 - 5m + 4 A) 42) 3m - 4 B) D) 2m2 - 12m + 10 C) 3m - 4 3m 2 - 20m + 14 (m + 1)(m + 6)(m + 4) 3m 2 - 20m + 14 (m - 1)(m - 6)(m - 4) Divide. 43) (- 8x3 + 14x2 - 15x + 3) ÷ ( - 4x + 1) A) x2 - 3x + 3 B) 2x...
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