Graphs of Quadratics Vocabulary

The graph of a quadratic function is called a ___________, a u-shaped curve.

• line

• parabola

• quadratic

• square

Where the parabola (U shape) crosses the x-axis.

• Domain

• Range

• Y-intercept

• X-intercept

An equation that can be written in the form y = ax² + bx + c

• Quadratic equation

• Polynomical equation

• Linear equation

• Maxical equation

A vertical line that cuts the parabola into 2 symmetrical halves. This always goes through the vertex and ALWAYS begins with "x=" This is sometimes called the "line of symmetry".

• Parabola

• Quadratic

• Axis of Symmetry

• Domain

All possible y-values

• Domain

• Range

• Parabola

• Vertex

Where the parabola crosses the y-axis.

• X-intercept

• Domain

• Y-intercept

• Axis of Symmetry

Standard form of a quadratic equation

• y=mx+b

• y=ax²+bx+c

• y=x

The vertex is defined as:

• The maximum.

• The minimum.

• The highest or lowest point of the parabola.

• The vertical height of the parabola

If the vertex is the highest point of the parabola, it is called a _______________.

• valley

• peak

• minimum

• maximum

If the vertex is the lowest point of the parabola, it is called a ________________.

• valley

• peak

• minimum

• maximum