Quadratic Formula and Discriminant Review

Front

What is the Quadratic Formula?

Back

Front

What does the discriminant tell us about a quadratic equation?

Back

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Back

Front

What is the significance of a positive discriminant?

Back

A positive discriminant indicates that the quadratic equation has two distinct real solutions.

Front

What is the significance of a zero discriminant?

Back

A zero discriminant indicates that the quadratic equation has exactly one real solution, also known as a repeated or double root.

Front

What is the significance of a negative discriminant?

Back

A negative discriminant indicates that the quadratic equation has no real solutions, but two complex solutions.

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Front

What is the first step in using the quadratic formula?

Back

Front

What error did the student make when substituting values into the quadratic formula?

Back

Front

If the discriminant is 76, what can we conclude about the solutions?

Back

Since the discriminant is positive (76), we conclude that there are two distinct real solutions.