1. Simplify (4y4)3. A. 12y12 B. 12y3 C. 64y64 D. 64y12 Hint 2. Find the volume of the rectangular solid shown below. A. 24a4b8 B. 9a4b8 C. 24a2b10 D. 24a2b7 Hint 3. Simplify . Assume the denominator is not equal to zero. A. -b2 B. C. D. Hint 4. The area of the rectangle shown below is 4x3y2, and its base b is 2x5y. Find the height, h. A. B. C. 2x2y D. 8x8y3 Hint 5. Express 765,000,000,000 in scientific notation. A. 0.765 × 1012 B. 7.65 × 10-11 C. 7.65 × 1010 D. 7.65 × 1011 Hint 6. Evaluate . Express the result in scientific notation. A. 0.8 × 10-8 B. 8.0 × 10-7 C. 80 × 10-8 D. 8.0 × 10-9 Hint 7. Which expression is a binomial? A. -3xy B. C. 5x - 2 D. 5x2y + 4x – 6 Hint 8. Arrange the terms of 4x2y3 – 2x4y + 3x3y2 – 3 + 2xy so that the powers of x are in descending order. A. -3 + 2xy + 4x2y3 + 3x3y2 - 2x4y B. 4x2y3 + 3x3y2 - 2x4y + 2xy – 3 C. -3 - 2x4y + 3x3y2 + 4x2y3 + 2xy D. – 2x4y + 3x3y2 + 4x2y3 + 2xy – 3 Hint 9. Find (4x2 + 3x) + (7x2 – 5x – 6). A. 9x – 6 B. 11x2 – 2x – 6 C. 11x4 – 2x2 – 6 D. 11x2 – 8x – 6 Hint 10. Find the difference (-3x3 – 7x2 + 5x – 4) – (6x2 – 8). A. –3x3 – 13x2 + 5x + 4 B. –3x3 – 13x2 + 5x - 12 C. -11x8 + 4 D. –3x3 – x2 + 5x - 12 Hint 11. Solve 4a(a – 4) – 7a = a(4a – 3) + 20. A. a = -2 B. C. a = -6 D. a = -1 Hint 12. Write an expression for the area of the rectangle shown below. A. 6xy2 + 4x3y B. 12xy2 + 4x3y C. 9x2y4 + 12x4y3 D. 6xy2 + 7x3y Hint 13. Find (x + 3)(x - 5). A. x2 - 15 B. x2 + 2x - 15 C. x2 + 8x - 15 D. x2 - 2x - 15 Hint 14. Find (2y2 + 7y – 5)(3y2 – 5y + 4). A. 6y4 + 11y3 – 42y2 + 53y – 20 B. 5y2 + 2y – 1 C. 6y4 – 35y2 – 20 D. 6y4 + 4y2 – 32y2 – 20 Hint 15. Find (5t2 - 2w)2 A. 25t4 + 4w2 B. 25t4 – 4w2 C. 25t4 – 10t2w + 4w2 D. 25t4 – 20t2w + 4w2 Hint 16. Find (x – 3)(x + 3). A. x2 - 6x - 9 B. x2 + 9 C. x2 - 6x + 9 D. x2 - 9 Hint