Key Features of Parabolas

What do we call the graph of a quadratic function?

• parabola

• linear

• cubic

• quartic

Which of the following are examples of quadratic equations? (Select all that apply).

• y = 2x + 3

• y = 2x² + 2

• y = -4x² + 3x

• y = x³

• y = x²

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• range

Which best describes the vertex of a parabola?

• Any point on the parabola.
• A point on the x-axis.
• The highest or lowest point of a parabola
• A point on the y-axis.

The axis of symmetry is a line that goes through the...

• y-intercept
• any random point
• vertex
•  x-axis or y-axis

Does the quadratic have a max/min vertex, and does the parabola open up/down?

• max/ opens down
• min/ opens up
• max/ opens up
• min/ opens down

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

What is the vertex of this quadratic equation?

• (-2, 4)

• (2, 4)

• (4, -2)

• (0, 0)

What is the y-intercept of this parabola?

• (−1, 3)
• (−3, 11)
• (−2, 5)
• (0, 5)

Does this graph have a maximum or minimum?

• Minimum

• Maximum

• Neither

• Both