Quadratic Graphs

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

• x=-8
• x=1
• x=-1
• x=2

Find the vertex of 
f(x) = -x² - 4x + 12

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)

What direction is the following equation opening?
y=-3x²-7x+8

• Up
• Down
• Left
• Right

Does
y = -4x²
have a maximum or minimum value?

• maximum
• minimum

A parabola is upside-down when a is:

• negative
• positive
• 0
• infinite

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

• y = -2
• x = 3
• x = -3
• y = 2

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• symmetrical point for the vertex

The graph of a quadratic function is called a

• Parabola
• Vertex
• Axis of Symmetry 
• Vertex Form

What is the green dashed line called?

• roots or x-intercepts

• parabola

• axis of symmetry

• y intercept

Is the graph of the equation shown wider, narrower or the same width as the standard parabola y = x² ?

• wider
• narrower
• same width
• impossible to tell