A quadratic equation is an equation of the form where We can solve equations of this form by identifying a, b and c and substituting them into the formula to find Example:
Solve Then or It is very important to get the correct values of For the following equations the values are given Notice that if a minus sign appears in the formula we have to solve then that value of will be negative.

Then for the first equation We may also solve quadratic equations by sketching a quadratic graph or by completing the square.

Example: Solve Then or
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