Staar Review Part 2

Front

What is the standard form of a quadratic function?

Back

Front

What does it mean for a function to be equivalent?

Back

Two functions are equivalent if they produce the same output for every input in their domain.

Front

How do you factor a quadratic function?

Back

Front

What is the vertex of a parabola?

Back

The vertex of a parabola is the highest or lowest point on the graph, depending on whether it opens upwards or downwards.

Front

What is the axis of symmetry in a quadratic function?

Back

Front

What is the quadratic formula?

Back

Front

What is the discriminant in a quadratic equation?

Back

Front

What does a positive discriminant indicate?

Back

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

Front

What does a zero discriminant indicate?

Back

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

Front

What does a negative discriminant indicate?

Back

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