Graphing Quadratic Functions

What is the axis of symmetry?

• the slope of the graph
• the dividing line for a parabola
• a way to spin my pencil
• the x-axis

Find the axis of symmetry for the graph

• x = -1
• x = 1
• x = 3
• x = -1 , 3

Find the axis of symmetry for f(x) = x² + 4x - 5 

• x = 2
• x = -2
• x = 4
• x = -4

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

A parabola has a vertex at (-3,2). Where is the axis of symmetry?

• y = -2
• x = 3
• x = -3
• y = 2

What is the maximum/minimum of a parabola called?

• vertex
• point
• top
• bottom

Does the equation open up or down? 
Y = -3x² +7x - 2

• up
• down
• Neither; it opens to the right.
• Neither; it opens to the left.

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts

• A
• B
• C
• D

• A
• B
• C
• D