Quadratic Operations and Graphs

Where is the axis of symmetry for this parabola?

• x = −1

• x = 0

• y = 3

• x = −3

The coefficient of x^2, the 'a' value of this quadratic, is negative or positive?

• a < 0

• a > 0

What is the y-intercept of the equation
y = 2x²+8x+3?

• (0,3)

• (3,0)

• (0,2)

• y=8

What is the axis of symmetry?

• x= 0 and x=4

• x = -2

• x = 0

• x= 2

What is the maximum/minimum of a parabola called?

• vertex

• point

• top

• bottom

What is the vertex of the graph?

• (2, 4)

• (3, -1)

• (0, 8)

• (4, 2)

Is the graph of the equation y=2x² wider, narrower or the same width as the standard parabola y = x²?

• wider

• narrower

• same

• impossible to tell

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

• zeros

• axis of symmetry

• direction

• y-intercept

Which answer choice describes y = -3x² +7x - 2 accurately

• opens up with a maximum

• opens up with a minimum

• opens down with a maximum

• opens down with a minimum

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

• it is the vertex

• it is the y-intercept

• it is the axis of symmetry

• it is the x-intercept