Worksheet: Evaluating Quadratic Functions
In this worksheet, we will practice evaluating quadratic functions.
Which of the following is NOT a point on the curve ?
The function and the function . Find given .
Which of the following points is on the graph of the equation ?
Find the values of and given the function , and when .
- A ,
- B ,
- C ,
- D ,
Find the value of given the function passes through the point .
Find given where and is the set of zeros for .
Which of the following is equivalent to for the function ?
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
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