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Level 316

Solving Quadratic Equations


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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