(Alg.2) 4.2 (Flashcard) Quadratics in Standard Form.

Front

What is the standard form of a quadratic equation?

Back

Front

How can you determine if a parabola opens upward or downward?

Back

Front

What is the formula to find the x-coordinate of the vertex of a parabola?

Back

Front

Back

Front

What is the axis of symmetry in a quadratic function?

Back

Front

How do you find the vertex of a parabola in standard form?

Back

Front

Back

The vertex is at the point (3, 14).

Front

What does the term 'discriminant' refer to in a quadratic equation?

Back

Front

What does a positive discriminant indicate about the roots of a quadratic equation?

Back

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

Front

What does a zero discriminant indicate about the roots of a quadratic equation?

Back

A zero discriminant indicates that the quadratic equation has exactly one real root (a repeated root).