Understanding Quadratic Functions

What shape do all quadratic function graphs take?

• Straight line

• U-shaped

• Circle

• V-shaped

What is the term for the highest or lowest point on a parabola?

• Root

• Vertex

• Intercept

• Axis

What is the line called that divides a parabola into two equal parts?

• Axis of symmetry

• Vertex line

• Intercept line

• Root line

Which of the following is NOT a term used for x-intercepts?

• Vertices

• Solutions

• Roots

• Zeros

In the second example, what is the vertex of the parabola?

• 3, -2

• -3, 1

• -4, 0

• 2, 0