1. Explain how to find the vertex of the quadratic function shown below. y=2(x-7)^2+4

2. Explain how to find the direction of the opening of the quadratic function shown below.
y=-2(x+5^2)+3

3. Explain how to find the axis of symmetry of the quadratic function shown below.
y=7(x+4)^2-45

4. Answer the following: (a) Explain what is meant by the maximum value of a parabola. (b) Explain what is meant by the minimum value of a parabola.

5. Explain why the x-coordinate of the vertex of a parabola is the midpoint of the real zeros of the function.