# Worksheet: Evaluating Quadratic Functions

In this worksheet, we will practice evaluating quadratic functions.

**Q1: **

Which of the following is NOT a point on the curve ?

- A
- B
- C
- D
- E

**Q3: **

The function and the function . Find given .

**Q4: **

Which of the following points is on the graph of the equation ?

- A
- B
- C
- D

**Q5: **

Find the values of and given the function , and when .

- A ,
- B ,
- C ,
- D ,

**Q6: **

Find the value of given the function passes through the point .

**Q7: **

Find given where and is the set of zeros for .

**Q8: **

Which of the following is equivalent to for the function ?

- A
- B
- C
- D

**Q9: **

A study of people was carried out to investigate the rate of infection of influenza. The number of infections, , occurring years after 2004 can be found using the equation Calculate the number of infections in 2010 and 2012.

- A900 persons, 913 persons
- B884 persons, 839 persons
- C884 persons, 884 persons
- D774 persons, 689 persons

**Q10: **

An object is dropped from a height of 600 feet. It has a height in feet after seconds have elapsed such that . Express as a function of height , and then calculate the time taken to drop to a height of 400 feet to one decimal place.

- A , 3.5 seconds
- B , 2 seconds
- C , 0.88 seconds
- D , 12.5 seconds
- E , 7.9 seconds