How do you solve y=x^2-6x-1 using the quadratic formula?

1 Answer
Aug 7, 2018

x=3+-sqrt10

Explanation:

The quadratic formula is given by

x=(-b+-sqrt(b^2-4ac))/(2a)
where your quadratic equation is y=ax^2+bx+c

x=(6+-sqrt((-6)^2-4(1)(-1)))/(2times1)

x=(6+-sqrt(36+4))/2

x=(6+-sqrt40)/2

x=(6+-2sqrt10)/2

x=3+-sqrt10