Quadratic Functions Vocabulary

Front

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

Back

the y-intercept

Front

Value of x where the line crosses the x-axis. Represented on B by the points (-2, 0) and (2,0) and on A by the origin.

Back

x-intercepts

Front

The minimum of a quadratic function is

Back

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

Front

The maximum of a quadratic function is

Back

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

Front

What is the orange line called?

Back

Axis of Symmetry

Front

The graph of a quadratic function is called a

Back

parabola

Front

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

Back

x = 2

Front

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

Back

Axis of Symmetry

Front

What are the x-intercepts?

Back

x= 0 and x= 4

Front

The axis of symmetry line passes through which point?

Back

vertex