Discriminant and Graphs of Quadratics

Front

What is the discriminant of a quadratic equation?

Back

Tags

CCSS.HSA-REI.B.4B

Front

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

Back

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

Tags

CCSS.HSA-REI.B.4B

Front

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

Back

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

Tags

CCSS.HSA-REI.B.4B

Front

What does a negative discriminant indicate about the roots of a quadratic?

Back

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

Tags

CCSS.HSA-REI.B.4B

Front

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

Back

Front

What is the axis of symmetry for a quadratic function?

Back

Front

What is the general form of a quadratic equation?

Back

Front

What is the factored form of a quadratic equation?

Back

Front

How do you determine the increasing and decreasing intervals of a quadratic function?

Back

Front

What is the significance of the y-intercept in a quadratic function?

Back

Tags

CCSS.HSF-IF.C.7A