1. Which is the quadratic term in the function f(x) = 3x2 + 6x - 4? A. 3x2 B. 3x2 + 6x - 4 C. x2 D. 3 Hint 2. Find the vertex of the graph of   f(x) = x2 + 4x - 5. A. (-2, -9) B. (0, -5) C. (-2, 9) D. (2, 7) Hint 3. Solve  m2 - 2m = 15 by factoring. A. -3, 5 B. -5, 3 C. 3 D. 5 Hint 4. Solve 2p2 - 3p -2 = 0 by factoring. A. 1, 2 B. -2, C. -, 2 D. , 2 Hint 5. Solve x2 - 6x + 10 = 0 by completing the square. A. 1 ± i B. 3 ± i C. -3 ± i D. 2, 4 Hint 6. Find the axis of symmetry of the graph of  f(x) = 4x2 -4x + 4. A. y = 3 B. x = 2 C. x = D. x = 4 Hint 7. Solve 9t2 - 15t + 4 0. A. B. C. D. Hint 8. Solve by graphing. A. x = 0 B. x = 2 C. x = 2 D. no real roots Hint 9. A quadratic function has two real roots. How many times does the graph cross the x-axis? A. 1 B. cannot be determined from given information. C. 0 D. 2 Hint 10. Solve x2 - 2x + 1 = 18 by using the Square Root Property. A. 5 and 2 B. -5 and 2 C. and D. and Hint 11. Find the value for the discriminant for the following equation: . Then describe the number and type of roots. A. The discriminant is 100, which is not a perfect square; therefore, there are two irrational roots B. The discriminant is negative, so there are two complex roots. C. The discriminant is 100, which is a perfect square; therefore, there are two rational roots D. The discriminant is 96, which is not a perfect square; therefore, there are two irrational roots. Hint 12. Solve by using the quadratic formula. A. B. C. D. Hint 13. Which graph of the following functions will be strictly above the graph of ? A. B. C. D. Hint 14. Solve by graphing. A. {x| 1.19 < x < 0} B. {x| 1.19 < x < 4.19} C. {x| 0 < x < 4.19} D. {x| 4.19< x < 1.19} Hint