1. What is the slope of in parallelogram ABCD? A. B. C. D. Hint 2. Three out of the four equations listed below are equations of lines that are parallel to each other. Which equation does not have a graph that is a line parallel to the other three? A. 3x + 4y = -16 B. 8y = - 6x C. D. Hint 3. Solve . A. B. C. D. Hint 4. Use elimination to solve the system of equations shown below.2x - 4y = -53x + 4y = -15 A. B. C. D. Hint 5. Find . A. 15 B. 14 C. -15 D. -14 Hint 6. Solve the equation x2 = 0.81. A. none of these is correct B. x = 0.9 only C. x = 0.9 or x = -0.9 D. x = -0.9 only Hint 7. The greatest power in a quadratic function is ______. A. 4 B. 2 C. 3 D. 1 Hint 8. Find the graph that is nonlinear. A. B. C. D. Hint 9. Describe how the graph of y = (x + 1)2 differs from the graph of y = x2. A. the graph of y = (x + 1)2 moved up 1 unit B. the graph of y = (x+1)2 moved 1 unit to the right C. the graph of y = (x + 1) 2 moved down 1 unit D. the graph of y = (x + 1)2 moved 1 unit to the left Hint 10. Find the equation of the following graph. A. y = B. y = x2 C. y = D. y = x3 Hint 11. What is the reciprocal of ? A. B. C. D. Hint 12. In the relationship , why is y inversely proportional to x? A. the product of xy is a constant, 8 B. 8 is divided into x C. the relationship is undefined at x = 0 D. 8 is divided into y Hint 13. What is a conjecture? A. an educated guess that has been proved B. a ''shot in the dark'' guess that has been proved C. a ''shot in the dark'' guess that hasn't been proved yet D. an educated guess that hasn't been proved yet Hint 14. Find the values for m and n which the conjecture (m – n)2 = m2 – n2 is false. A. m = 1, n = 1 B. m = 1, n = 2 C. m = –2, n = 0 D. m = 1, n = 0 Hint 15. Tell whether the statement is sometimes true, always true, or never true for positive values of n. If it is sometimes true, state for what value it is true.4n = 6,561. A. sometimes true, n = 8 B. sometimes true, n = 7 C. never true D. always true Hint 16. Which curve represents exponential decay? A. curve d B. curve c C. curve a D. curve b Hint 17. Which equation represents exponential decay? A. y = · 63x B. y = 63 × 4.4x C. y = 63 × 0.4x D. y = 63 × 4x Hint 18. Find a solution to the equation using backtracking. A. c = –14 B. c = 8 C. c = 2 D. c = –1 Hint 19. Find a solution to the equation by doing the same thing to both sides.8p + 14 = 2p – 22 A. p = 1 B. p = –6 C. p = –1 D. p = 6 Hint 20. John and Margaret have both ridden on the roller coaster called The Scream. Margaret has ridden it eight more than three times the number than John has. She also has ridden it five times the number John has. How many times has John ridden The Scream? A. 20 B. 4 C. 6 D. 3 Hint