## Sample Quiz

1. Determine whether if this is a quadratic or not.**X ****Y**

0 0

1 35

2 60

3 75

4 80

5 75

6 60

7 35

8 0**2. Write an equation for the graph that has the following transformations. **

a. The graph of y=x2 is vertically stretched by a factor of 10.

b. The graph of y=x2 is vertically compressed by a factor of 0.25.**3. State the a, h, k, value for each equation, then state the transformation.**

y = –7(x–4)2 + 10**4. Wright the vertex of each of the following quadratic function. **

a. y= –4(x–7)2 + 5 b. y= (x + 4)2 – 11

## Answers to Sample Quiz

1. Yes it is a quadratic because the second difference is the same.

2. a. y=10x2

b. y=0.25x2

3. a= –7

h= –4

k= 10

· Reflected on the x–axis.

· Vertically stretched by a factor of 7.

· Translated 4 units to the right.

· Translated 10 units up.

4. a. (7,5) b. (–4, –11)