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What is a Quadratic Equation?

A quadratic equation is an equation in the form

What is the Zero Product Property?

AB=0 if and only if A=0 or B=0

How do we complete the square?

to make x^2 +bx a perfect square, add (b/2)^2, the square of the coefficient of x this gives the perfect square

What is the discriminant?

The discriminant of the quadratic equation ax^2+bx+c=0 is