99 points, need with algebra

1. use the parabola tool to graph the quadratic function
f(x)=x^2 + 10x + 16.

2. let f(x) = x^2 - 2x - 4
what is the average rate of change for the quadratic function from x = -1 to x = 4?

3. use the parabola tool to graph the quadratic function
f(x) = -5x^2 - 2

4. use the parabola tool to graph the quadratic function
f(x) = 2x^2 + 24x + 70

5. select the statements that are true for the graph of y = (x + 2)^2 + 4
a. the vertex is (-2, 4)
b. the graph has a minimum
c. the vertex is (2, 4)
d. the graph has a maximum.

6. the table of values represents a quadratic function.
what is the average rate of change for f(x) from x = -10 to x = 0?
graph: x f(x)
-10 184
-5 39
0 -6
5 49
10 204

7. find the equation for the axis of symmetry for f(x) = 2x^2 + 3x + 9
a. x = 4/3
b. x = -4
c. x = 3
d. x = -3/4

8. given f(x) = x^2 - 12x + 46
enter the quadratic function in vertex form in the box.