Example Question #1 : Factor A Quadratic Expression To Reveal The Zeros Of The Function It Defines
A quadratic function has two zeroes, 3 and 7. What could this function be?
None of the other choices gives the correct response.
A polynomial function with zeroes 3 and 7 has as its factors and . The function is given to be quadratic, so this function is
Apply the FOIL method to rewrite the polynomial:
Collect like terms:
the correct choice.