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Zeros and the Quadratic Formula

Sometimes you cannot find the zeros of a
quadratic function easily. To find the zeros of
y=ax2+bx+c,

Substitute y =0 and solve for x . When a quadratic
equation is in standard form, you can use the
quadratic formula to solve this equation.

The solution of ax 2+bx+c=0 are

So,

Or

A quadratic equation has one , two , or no solution.

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