1. Which is the graph of the inequality x > -2? A. B. C. D. Hint 2. Which is the graph of the inequality x + 2y - 2 0? A. B. C. D. Hint 3. Determine the symmetry of g(x) = . A. not symmetric B. symmetric with respect to only the y-axis C. symmetric with respect to the origin D. symmetric with respect to only the x-axis Hint 4. Suppose y varies directly as x and y = 13 when x = 7. Find the constant of variation and write an equation. A. k = and y = 13 · 7x B. k = and y = 13 · 7x C. k = and y = x D. k = and y = x Hint 5. Write a polynomial equation of least degree with roots -1, 2i, and -2i. A. x3 - x2 + 4x + 4 = 0 B. x3 + x2 + 4x + 4 = 0 C. 3x + x2 + 4x - 4 = 0 D. x3 + x2 - 4x + 4 = 0 Hint 6. State the number of complex roots of the equation x4 - 3x2 - 4 = 0. A. 1 B. 4 C. 2 D. 3 Hint 7. The equation x2 + x - 1 = 0 cannot be solved by ____. A. using the quadratic formula B. completing the square C. graphing D. factoring Hint 8. List the possible rational roots of 3x3 + 5x2 - 2x + 1 = 0. A. , B. 1, C. , D. 1, Hint 9. Solve 4. A. x 0 B. x 8 C. 0 x 8 D. none of these Hint 10. Find the distance between the lines with equations x + 2y = 6 and y = -x + 2. A. B. C. D. Hint 11. Find the distance between the points with the polar coordinates P1(3, 160°) and P2(5, 100°). A. B. C. D. Hint 12. Simplify (2 – 7i)(4 + 2i). A. 6 – 24i B. 22 – 6i C. 22 – 24i D. 6 – 6i Hint 13. State the domain and range of the relation. Then state whether the relation is a function.{(2,-1), (-2,4), (2,5), (3,6)} A. Domain {-2,2,3} Range {-1,4,5,6}The relation is not a function. B. Domain {-2,2,3} Range {-1,4,5,6} The relation is a function. C. Domain {-1,4,5,6}Range {-2,2,3} The relation is not a function. D. Domain {-1,4,5,6}Range {-2,2,3}The relation is a function. Hint 14. Graph the equation A. B. C. D. Hint 15. Name the coordinates of the vertices of the polygonal convex set. A. (-4,-1), (-4,3), (-2,4), (4,2) B. (-4,-1), (-4,6), (-2,4), (4,-2) C. (-4,-1), (-4,3), (-2,-4), (4,-2) D. (-4,-1), (-4,3), (-2,4), (4,-2) Hint 16. If you use the parent graph as a reference, describe how you would graph . A. Expand horizontally by a factor of , then move 4 units down. B. Compress vertically by a factor of , then move 4 units down. C. Compress horizontally by a factor of , then move 4 units down. D. Expand vertically by a factor of 3, then move 4 units down. Hint 17. Use the parent graph f(x) = to graph the function g(x) = . A. B. C. D. Hint 18. Complete the identity tan ( - A) = ________. A. -tan A B. -cot A C. cot A D. tan A Hint 19. Find the polar coordinates of the point P(8, -2). A. B. C. D. (10, -4) Hint 20. Write the equation x2 + 4y2 + 8x - 8y + 16 = 0 in standard form. A. B. C. D. Hint