Quadratic Vocab

Front

Highest/lowest point on a parabola

Back

Vertex

Front

All possible x-values

Back

Domain

Front

If 'a' in y = ax² + bx + c is positive, the vertex is the lowest point.

Back

Minimum

Front

Curved graph of a quadratic (U shape)

Back

Parabola

Front

Where the parabola crosses the x-axis.

Back

X-intercept

Front

Equation in the form y = ax² + bx + c

Back

Quadratic equation

Front

Where the parabola crosses the x-axis.

Back

X-intercept

Front

Vertical line cutting a parabola into symmetrical halves, through the vertex, starting with 'x='. Also known as the 'line of symmetry'.

Back

Axis of Symmetry

Front

All possible y-values

Back

Range

Front

Where does the parabola cross the y-axis?

Back

Y-intercept