Quadratic Vocabulary

Front

What is the standard form of a quadratic equation?

Back

y = ax^2 + bx + c

Front

What is the turning point of a parabola known as?

Back

Vertex

Front

What is the U-shaped curve created by a quadratic equation called?

Back

Parabola

Tags

CCSS.HSF-IF.C.7A

Front

What is a vertex that is the highest point called?

Back

Maximum

Tags

CCSS.HSF-IF.C.7A

Front

What is the vertical line that divides the parabola into two equal parts known as?

Back

Axis of Symmetry

Tags

CCSS.HSF-IF.C.7A

Front

What is the formula to find the vertex of a parabola in standard form?

Back

Vertex = (-b/(2a), f(-b/(2a)))

Front

What does the discriminant of a quadratic equation indicate?

Back

It indicates the nature of the roots of the equation.

Tags

CCSS.HSA-REI.B.4B

Front

What is the formula for the discriminant?

Back

D = b^2 - 4ac

Tags

CCSS.HSA-REI.B.4B

Front

What does a positive discriminant indicate?

Back

Two distinct real roots.

Tags

CCSS.HSA-REI.B.4B

Front

What does a zero discriminant indicate?

Back

One real root (the vertex touches the x-axis).

Tags

CCSS.HSA-REI.B.4B