Key Features of Quadratic Functions Vocabulary

In the picture, what does the coordinate (0, -2), where the parabola crosses over the y-axis, represent?

• the x-intercept
• the minimum
• the axis of symmetry
• the y-intercept

Tags

CCSS.HSF-IF.C.7A

On a graph, the value of x at the point where the line crosses the x-axis. Represented on B by the points (-2, 0) and (2,0) and on A by the origin.

• x-intercepts

• y-intercepts

• vertex

• axis of symmetry

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

The minimum of a quadratic function is

• The lowest point (vertex) on a graph when a parabola opens up; the point where the graph changes from decreasing to increasing
• The highest point (vertex) on a graph when a parabola opens down; the point where the graph changes from increasing to decreasing

The maximum of a quadratic function is

• The highest point (vertex) on a graph when a parabola opens down; the point where the graph changes from increasing to decreasing
• The lowest point (vertex) on a graph when a parabola opens up; the point where the graph changes from decreasing to increasing

What is the orange line called?

• Line of Solutions

• Roots

• Vertex

• Axis of Symmetry

The graph of a quadratic function is called a

• line

• parabola

• half oval

• vertex form

Tags

CCSS.HSF-IF.C.7A

If the vertex of this graph is (2, -1), what is the axis of symmetry?

• x= -1

• x = 2

• y = -1

• x = -2

the line through the parabola so that each side is a mirror image

• Vertex

• Maximum

• Axis of Symmetry

• Maximum

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Tags

CCSS.HSA.APR.B.3

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• symmetrical point for the vertex