Quadratic Functions Vocabulary

What is the turning point of a parabola?

• axis of symmetry

• domain

• vertex

• range

The set of all possible x-values.

• domain

• range

• parabola

• vertex

What is the graph of a quadratic function called?

• intercept

• parabola

• vertex

• axis of symmetry

Where the parabola crosses the x-axis.

• domain

• range

• y-intercept

• x-intercept

A vertical line that cuts the parabola into 2 symmetrical halves.

• parabola

• quadratic

• axis of symmetry

• domain

The set of all possible y-values.

• domain

• range

• parabola

• vertex

Where the parabola crosses the y-axis.

• x-intercept

• domain

• y-intercept

• axis of symmetry

A graph of a quadratic function is shown. What are the x-intercepts of the function?

 

Select TWO correct answers.

What are the x-intercept(s)?

• (0, 0)
• (2, 4)
• (0, 0) and (0, 4)
• (0, 0) and (4, 0)

What is the vertex of the graph?

• (2, 4)
• (3, -1)
• (0, 8)
• (4, 2)