1. Simplify A. B. C. D. Hint 2. Write in simple form. A. B. C. D. Hint 3. Use elimination to solve the system of equations shown below.2x - 4y = -53x + 4y = -15 A. B. C. D. Hint 4. Simplify (7a4b) (8a7b6). A. 56a11b7 B. 56a28b6 C. 15a28b6 D. 15a11b7 Hint 5. The vertices of are A(2, -1), B(0, -3), and C(4, -2). Find the vertices of the triangle after a translation 2 units right and 3 units down. A. A'(4, -4), B'(2, -6), C'(6, -5) B. A'(-1, 1), B'(-3, -1), C'(1, 0) C. A'(0, 2), B'(-2, 0), C'(2, 1) D. A'(4, 2), B'(2, 0), C'(6, 1) Hint 6. A rotation of 180° counterclockwise or 180° clockwise would be ______. A. the same B. different C. None of these is correct. D. impossible Hint 7. Which characteristic describes a graph that is linear and has direct variation. A. The equation has the form y = mx + b. B. The graph does not pass through (0, 0). C. Variables x and y are not proportional. D. The equation has the form y = mx. Hint 8. Find the equation that is nonlinear. A. y = 4y2 B. y = –3x – 1 C. y = 8 – x D. y = 14 + 6x Hint 9. What is the equation of a line that has a slope of –1 and passes through (–2, 0)? A. y = –x – 2 B. y = –2x + 1 C. y = –x – 1 D. y = –x + 2 Hint 10. Find the graph of y = x2 + 1. A. B. C. D. Hint 11. How many diagonals are connected to each vertex for a 25-sided polygon? A. 21 B. 20 C. 22 D. 25 Hint 12. Consider the equation xy = 3. What happens to the value of y when x doubles? A. y triples B. y doubles C. y quarters D. y halves Hint 13. In the relationship , why is y inversely proportional to x? A. 8 is divided into x B. 8 is divided into y C. the product of xy is a constant, 8 D. the relationship is undefined at x = 0 Hint 14. Find which equation does not represent a reciprocal relationship. A. ab = 3 B. C. –6 = ef D. Hint 15. The sum of three consecutive even numbers is 54. Find the three numbers. A. 16, 17, 18 B. 18, 19, 20 C. 15, 16, 17 D. 16, 18, 20 Hint 16. Tamara and Joanne collect stamps. Tamara has 30 less than 5 times the number of stamps that Joanne has. Tamara also has 42 more stamps than Joanne. How many stamps does Tamara have? A. 23 B. 18 C. 42 D. 60 Hint 17. How many solutions can a graph of y = ax2 + bx + c have? A. two B. one C. all answers are correct D. zero Hint 18. What angle of rotation does the figure below have? A. 45° B. 40° C. 30° D. 35° Hint 19. A figure has rotation symmetry of 8°. How many identical parts must there be? A. 40 B. 45 C. 70 D. 272 Hint 20. Expand the expression.(2s + 6)(2s – 6) A. 4s2 – 36 B. 4s2 + 24s– 36 C. 4s2 – 24s– 36 D. 4s2 + 36 Hint