Directions: Read and analyze each item carefully then write on your answer sheet the letter that corresponds to your answer
. 1. Quadratic functions of the form y=ax² have graphs whose vertices are located at the point (0,0). This point is also called the point of____.
a. symmetry
b. origin
c. intersection
d. intercept
2. As the absolute value of a of a quadratic function increases, its graph becomes____.
a. narrower
b. wider
c. no effect at all
d. none of these
3. Which of the following quadratic functions has the widest graph?
a.y = 5x²
b.y = 2x²
c.y = 4x²
d. y = 3x²
4. The graph of y = -2x² is a parabola that opens____.
a. upward
b. downward
c. to the left
d. to the right
5. The value of h of a quadratic function determines the movement of the graph.
a. horizontal
b. vertical
c. diagonal
d. all of these
6. The value of k of a quadratic function determines the movement of the graph
. a. horizontal
b. vertical
c. diagonal
d. all of these
7. The graph of y = (x - 5)² is located 5 units of the graph of y = x?.
a. above
b. below
c. to the left
d. to the right
8. The graph of y = (x + 3)² is located 3 units of the graph of y = x?.
a. above
b. below
c. to the left
d. to the right
9. The graph of y = x² + 4 is located 4 units of the graph of y = x².
a. above
b. below
c. to the left
d. to the right
10. The graph of y=x²-10 is located 10 units of the graph of y = x²
a. above
b. below
c. to the left
d. to the right​