Solving Quadratic Equations by Completing the Square

Front

What is a quadratic equation?

Back

Front

What does it mean to complete the square?

Back

Tags

CCSS.HSA-REI.B.4B

Front

What is the standard form of a quadratic equation?

Back

Front

What is the vertex form of a quadratic equation?

Back

Front

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

Back

Front

What is the discriminant of a quadratic equation?

Back

Tags

CCSS.HSA-REI.B.4B

Front

What does a positive discriminant indicate?

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?

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?

Back

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

Tags

CCSS.HSA-REI.B.4B

Front

Back

x = -1 and 11.

Tags

CCSS.HSA-REI.B.4B