CPM Section 9.4A Quadratic Formula. Thus far we have considered two methods for solving quadratic function- factoring and using the square root property.

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Presentation transcript:

CPM Section 9.4A Quadratic Formula

Thus far we have considered two methods for solving quadratic function- factoring and using the square root property. Each of these methods have their drawbacks however. We will now consider the…… Quadratic Formula: For the equation, any solutions are given by the formula X=

No Solution. Can’t have a negative number in the radical

The expression is called the _____________, and it determines home many solutions (0, 1, or 2) the quadratic equation has in the set of real numbers. If, the quadratic has ____ solutions in If, the quadratic has ____ solutions in If, the quadratic has ____ solutions in discriminant

Find the number of solutions for the following quadratic equations