How do you find the zeros, real and imaginary, of y=x2+18x+81 using the quadratic formula?
1 Answer
Feb 11, 2017
We have only one zero
Explanation:
Zeros of a quadratic function
Using quadratic formula for a function
zeros are
and hence for
zeros are
i.e.
Check - We can write
=
=
and hence,
Hence we have only one zero