Key Features of Quadratic Functions

Front

Define Roots

Back

Where the parabola touches or intersects the x-axis, also called the x-intercept.

Front

Define Minimum

Back

The lowest y-value on the graph.

Front

What is the significance of the ordered pair (0, -2) to the graph?

Back

It is the y-intercept.

Front

What are the x-intercepts?

Back

(0,0) and (4,0).

Front

Define Maximum

Back

The highest y-value on the graph.

Front

What is a Parabola?

Back

A symmetrical curve that represents a quadratic function.

Front

What does the vertex of a parabola represent?

Back

The highest or lowest point on the graph, depending on the direction of the parabola.

Front

What is the axis of symmetry in a parabola?

Back

A vertical line that divides the parabola into two mirror-image halves.

Front

How do you find the y-intercept of a quadratic function?

Back

Set x=0 in the function and solve for y.

Front

What is the standard form of a quadratic function?

Back

f(x) = ax^2 + bx + c, where a, b, and c are constants.