When the following quadratic equation is written in standard form, what is the value of "c"? -8 -6 -2
Quadratic Equation Calculator - Math.com
http://www.math.com/students/calculators/source/quadratic.htm
it will help
Quadratic EQUATION in standard form: a x^2 + b x + c = 0 a b and c can be negative values
Quadratic FORMULA can be used to find the values of x which satisfy the equation:
\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)