1. Simplify (4x3) (3x5). A. 12x8 B. 7x15 C. 7x8 D. 12x15 Hint 2. Find the sum (4xy2 – 3x2y – 5xy – 6) + (-5xy2 – 2xy + 3). A. -xy2 – 3x2y – 3xy – 3 B. 4xy2 – 8x2y – 7xy – 3 C. 4xy2 – 7xy – 3 D. -xy2 – 3x2y – 7xy – 3 Hint 3. Simplify 5a(4a2 – 2a) + 3a(-2a2 + 4a). A. 14a3 + 2a2 B. 10a3 + 4a2 C. 2a2 + 10a D. 14a2 + 2a Hint 4. Find the GCF of 24, 36, and 108. A. 72 B. 12 C. 6 D. 24 Hint 5. Find the quotient . A. B. C. D. Hint 6. Which expression is equivalent to ((32)4)3? A. 99 B. 816 C. 2712 D. 96 Hint 7. Simplify . A. x24y19 B. x6y3 C. x3y3 D. x26y3 Hint 8. Write a polynomial to represent the area of a square with a side x minus the area of a triangle with a base 2x and a height of 5. A. 4x B. x2 – 10x C. x2 – 5x D. x2 – 2x + 5 Hint 9. Which of the following expressions is an example of a polynomial with powers of x in ascending order? A. x + 1 – 6x3 + 2x4 B. x + 2x3 + 5x4 C. 3x + 5x3 – 7x4 – 3 D. x + 2x3 – 2x2 – 5x4 Hint 10. Anthony and Sanford each throw a football. The height of Anthony's throw can represented by the equation A = –10x2 + 15x + 22, where A is height and x is the time in seconds. The height of Sanford's throw can represented by the equation S = –9x2 + 14x + 23. At time x, how much higher is Sanford's throw? A. x2 – x + 1 B. x2 + x + 1 C. x2 – x – 1 D. x2 + x – 1 Hint 11. Solve x(x – 2) + 2x(x + 3) + 10 = 3x(x – 1) + 31. A. x = 4 B. x = 3 C. x = –2 D. x = 2 Hint 12. Factor A. B. C. D. Hint 13. Which sketch represents A. B. C. D. Hint 14. Which sketch represents A. B. C. D. Hint