1. Name the multiplicative inverse of 5. A. -5 B. 0.2 C. 50 D. 20 Hint 2. Evaluate |-6p| if p = 2. A. 12 B. 3 C. -12 D. 0 Hint 3. Describe the line that is graphed below. A. passes through the point (3,-2) with a slope of B. passes through the point (3,-2) with a slope of C. passes through the point (3,-2) with a slope of D. passes through the point (3,2) with a slope of Hint 4. The table below shows the land-speed records to the nearest mile per hour. Draw a scatter plot for the data and use it to predict the approximate land-speed record for the year 2005. Assume the rate of increase of speed records remains the same. A. 830 mph B. 980 mph C. 700 mph D. 600 mph Hint 5. Find [6,3,-1]. A. [3 3 -1] B. C. D. Hint 6. Find A - B if and A. B. C. D. Hint 7. Express 45,280,000 in scientific notation. A. 45.28 × 106 B. 4.528 × 106 C. 4.528 × 107 D. 4.528 × 10-7 Hint 8. Determine which expression is not a polynomial. A. B. C. x2 - y2 + z2 D. Hint 9. Simplify A. B. C. D. 2i Hint 10. What is the conjugate of 12 - 4i? A. -4i B. 12 + 4i C. D. 12 Hint 11. Find a quadratic equation that has roots 6 + 2i and 6 - 2i. A. x2 +12x - 40 = 0 B. x2 - 12x + 40 = 0 C. x2 + 12x + 40 = 0 D. x2 - 12x - 40 = 0 Hint 12. Which of the following is always true about inequalities whose graphs do not overlap? A. Each slope is negative. B. Their slopes are equal. C. Each slope is positive. D. Their slopes are opposite reciprocals. Hint 13. At a firm, there are three workers that are supposed to work a combined 110 hours per week. Worker 1 is supposed to work 5 hours more than worker 2, and worker 2 is supposed to work 15 hours more than worker 3. How long should each one work? A. worker 1: 40worker 2: 45worker 3: 25 B. worker 1: 45worker 2: 35worker 3: 30 C. worker 1: 45worker 2: 40worker 3: 25 D. worker 1: 42.5worker 2: 37.5worker 3: 30 Hint 14. Vince and Brian each need two kinds of items at the store. Vince bought 10 of item A and 14 of item B, and spent \$97. Brian bought 8 of item A and 25 of item B, and spent \$119. How much did each item cost? A. item A = \$5.50item B = \$3 B. item A = \$1.14item B = \$2.10 C. item A = \$2.10item B = \$1.14 D. item A = \$3item B = \$5.50 Hint 15. Solve the system of equations 7x  14y =4, 3x  6y =17. A. no unique solution B. (3, 2) C. (2, 1) D. infinite solutions Hint 16. Factor 4x2  49. A. (2x + 7)(2x  7) B. C. D. Hint 17. Solve -x2 + 3x + 5 = 0 by graphing. If exact roots cannot be found, state the consecutive integers between which the roots are located. A. between 2 and1, and between 3 and 4 B. between 2 and -1, and between 4 and 5 C. between 1 and 0, and between 3 and 4 D. between 1 and 0, and between 4 and 5 Hint 18. If a binomial x  a divides a polynomial, what must be true in order for it to be a factor of the polynomial? A. The remainder must be 0. B. It must divide the polynomial in half. C. There cannot be any other factor x  a. D. The polynomial must be at least of degree three. Hint 19. Let f and g be polynomials of degree 3. Is it true that ? A. No, never. B. No, it is only true for polynomials of degree 1. C. Yes, always. D. It is true in some cases. Hint 20. Which of the following points will not be included in the graph of ? A. (4, 6) B. (3, 9) C. (2, 4) D. (-2, 4) Hint