SOLUTION: A certain polynomial function f(x) of degree 2 has zeroes at -3 and 5, and f(2)=-30. What is the polynomial function f(x)?

Algebra ->  Functions -> SOLUTION: A certain polynomial function f(x) of degree 2 has zeroes at -3 and 5, and f(2)=-30. What is the polynomial function f(x)?      Log On


   

Question 967149: A certain polynomial function f(x) of degree 2 has zeroes at -3 and 5, and f(2)=-30. What is the polynomial function f(x)?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=a%28x%2B3%29%28x-5%29 and f%282%29=a%282%2B3%29%282-5%29=-30;

The second equation gives you a and then you can finish the first equation.