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B. 5x3 + 5x2 + 5 A. 9x3 + 3x + 5 Which of the following is equal to(9 + 3x2 + 4x3 + 3x) + (5x3 - 3x2 - 4)? D. 3x3 - 5x2 - 5 C. x3 - 3x2 - 6x + 4 Which of the following is equal to (-4a2 + 3a - 1) - (a2 + 2a -6)? A. -3a2 + 5a - 7 B. -5a2 + a - 7 C. -5a2 + a + 5 D. -5a2 + 5a - 7 The dimensions or a rectangle are (x + 3) and (x + 2). Which expression represents the area of the rectangle? A. x2 + 6 B. x2 + 5x + 6 C. x2 + 6x + 6 D. x2 + 6x What are the solutions of the equation x2 - x - 6 = 0? A. -2 and 3 B. 2 and -3 D. 5 and 1 C. -1 and 5 Which of the following is equal to (3x - 2)2 ? A. 3x2 - 12x + 4 B. 9x2 - 12x - 4 C. 9x2 - 12x + 4 D. 9x2 + 4 What is the correct factorization of 25x2 - 144? A. (5x + 9)(5x - 16) B. (5x - 12)2 C. (5x + 18)(5x - 8) D. (5x - 12)(5x + 12) |