7. What is the domain? A. {x/x ∈ R} B. {x/x >0} C. {x/x < 0} D. {x/x ≥0}
8. What is the range? A. {y/y >0} B. {y/y < 0} C. {y/y ≥ 0} D. {y/y ≤ 0}
9. What is the axis of symmetry? A. x = 0 B. x = 1 C. x = 2 D. x = 3
10. What is the y - intercept? A. (0, 0) B. (1, 1) C. (2, 2) D. (3, 3)
11. What is the x - intercept? A. (0, 0) B. (1, 1) C. (2, 2) D. (3, 3)
12. What is the vertex of the graph of the function y = (x – 2)2 – 3? A. (2, -3) B. (-2, 3) C. (-2, -3) D. (2, 3)
13. Which of the following is the standard form of a quadratic function? A. f(x) = ax³ + bx + c B. f(x) = ax + c C. f(x) = ax² + bx + c D. f(x) = a(x – h)² + k
14. What is the vertex form of the quadratic function y = x² - 6x - 3? A. y = (x + 3)² - 12 B. y = (x – 3)² - 12 C. y = (x + 3)² + 12 D. y = (x – 3)² + 12
15. Which of the following statements is true? A. shooting a ball vertically upward creates parabola B. the string of a flying kite illustrates a quadratic function C. rolling a ball on the ground illustrates a quadratic function D. climbing a mountain is an example of a quadratic function
