Flashcard: Quadratic Formula and the Discriminant

Front

What is the quadratic formula?

Back

Front

What does the discriminant tell us?

Back

The discriminant indicates the number of solutions of a quadratic equation.

Front

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

Back

If the discriminant is negative, then the quadratic has no real solutions.

Front

What is the formula for the discriminant?

Back

Front

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

Back

If the discriminant is zero, then the quadratic has 1 real solution.

Front

What does a positive discriminant indicate?

Back

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

Front

What is the significance of the coefficients a, b, and c in the quadratic equation?

Back

Front

What is the axis of symmetry for a quadratic function?

Back

Front

How can you determine if a quadratic opens upwards or downwards?

Back

Front

What is the vertex of a quadratic function?

Back