Parabolas Key Features

What do we call the graph of a quadratic function?

• parabola
• linear
• cubic
• sinusoidal

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

• 2x+3

• 2x²+2

• x-4x²

• x³

• x²

What is the green dashed line called?

• roots or x-intercepts
• parabola
• axis of symmetry
• line of dashes

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

What is the maximum/minimum of a parabola called?

• vertex
• point
• top
• bottom

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 is the green dot on the parabola called?

• maximum
• minumum
• roots
• zeros

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?

y = 2(x + 2)² + 5

• (-2,5)

• (2,5)

• (5,-2)

• (-5,-2)