Quadratic Functions in Vertex Form

​Parts of a Parabola

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Multiple Choice

Which graph is a parabola?

Multiple Choice

What is the name given to the dotted line?

• A) y-intercept

• B) axis of symmetry

• C) vertex

• D) x-intercept

Multiple Choice

Name the Vertex

• (3, -4)

• (-3, -4)

Multiple Choice

Name the Axis of Symmetry

• x = 1

• x = 0

Multiple Choice

x-intercepts

• -4 and 0

• -1 and -2

Multiple Choice

y-intercept

• 1

• -1/2

​Some text here about the topic of discussion.

​Quadratic Function in Vertex Form

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Multiple Choice

What is vertex form?

• $$y=ax^2+bx+c$$  

• $$y=a\left(x-p\right)\left(x-q\right)$$  

• $$y=a\left(x-h\right)^2+k$$  

• $$y=mx+b$$  

Multiple Choice

What is the vertex of $$f\left(x\right)=-\left(x+1\right)^2+16$$  ?

• (1,16)

• (-1,16)

• (-1,-16)

• (1,-16)

Multiple Choice

How can you tell the direction of the opening of the graph of a parabola by looking at the equation?

• The vertex tells you the direction of the opening
• The value of "a" tells you the direction of the opening.
• All parabolas open upward
• All parabolas open downward

Multiple Choice

Given the function $$y=\left(x+4\right)^2+2$$  , what is the parent function?

• $$y=x^2$$  

• $$y=a\left(x-h\right)^2+k$$  

• $$y=mx+b$$  

• $$y=0\left(x-0\right)^2+0$$  

Multiple Choice

Which equation below is a quadratic function translated left 4 units?

• y = x² + 4
• y = (x + 4)²
• y = (x - 4)²
• y = 4x²

Multiple Choice

Describe the transformation from the parent quadratic function:

$$y=\left(x-2\right)^2$$  

• Shift up 2 units

• Shift down 2 units

• Shift right 2 units

• Shift left 2 units