Quadratic Vocabulary

Front

Where does the parabola (U shape) cross the x-axis?

Back

X-intercept

Front

What are all possible x-values in a quadratic function?

Back

Domain

Front

Where does the parabola cross the y-axis?

Back

Y-intercept

Front

What is the highest or lowest point on the parabola called?

Back

Vertex

Front

What is a vertical line that cuts the parabola into 2 symmetrical halves?

Back

Axis of Symmetry

Front

What is the set of all possible output values (y-values) of a quadratic function?

Back

Range

Front

What is the standard form of a quadratic equation?

Back

y = ax² + bx + c

Front

What does the 'a' in the quadratic equation affect?

Back

The direction and width of the parabola.

Front

What is the vertex form of a quadratic function?

Back

y = a(x - h)² + k, where (h, k) is the vertex.

Front

What is the axis of symmetry formula for a quadratic function?

Back

x = -b/(2a)