Graphing Quadratic Equations Key Features

What is the axis of symmetry for the following equation?
y=4x²-8x+9

• x=-13

• x=1

• x=-1

• x=3

What does "a" control in a graph of f(x) = ax²+ bx+ c?

• Opens up or down

• Where the graph crosses at X-intercept

• Where the graph crosses at Y-intercept

According to the table, what is the vertex?

• (-2, -1)

• (-5, 8)

• (-3, 0)

• (1, 8)

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

• y = -2

• x = 3

• x = -3

• y = 2

What are the x-intercepts of the function?

y=(x-4)(x-2)

• x=4 and x=2

• x=-4 and x = -2

• x = 4 and x= -2

• x = -4 and x = 2

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes

• Axis of Symmetry

• Direction

• y-intercept

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

What is the significance of the ordered pair (0, -2) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry

How many solutions does this graph have?

• one

• two

• no solutions

• all real numbers

What is the significance of the ordered pair (2, -4) to the graph?

• It is the vertex

• It is an x-intercept

• It is the y-intercept

• It is the axis of symmetry