Question

what is the quadratic formula?

Answer 1

x= -b+ or- square root of b^2 - 4ac/ 2a

Answer 2

http://www.purplemath.com/modules/solvquad4.htm

Answer 3

how do i use it

Answer 4

given a polynomial of form \[ax^{2} + bx + c\]take the constant coefficients a, b and c and plug them in to their respective places in the formula. The formula then spits out values of x that will satisfy the polynomial

Answer 5

Also, there is a much better explanation on the site Del provided