Parabolas Graphing

If we have the equation y=ax²+bx+c, how can we can find the x-coordinate of the vertex?

• -a

• -b/a

• b/2a

• -b/2a

The equation for the axis of symmetry for this parabola is...

• x = 0

• x = -2

• y = -2

• x = 2

(0,1) on this parabola is the...

• vertex and maximum 

• vertex and minimum

• axis of symmetry

• focal point

Name the y-intercept.

• (-4,4)

• (0,4)

• (-2,0)

• (0,0)

What is the axis of symmetry for the equation f(x) = 3x² - 18x + 23

• x = -3

• x = 9

• x = 3

• x = -9

• 
• 
• 
• 

Identify the vertex and correct graph

• A

• B

• C

• D

Identify the vertex and correct graph

• A

• B

• C

• D

What do we call the graph of a quadratic function?

• parabola

• linear

• cubic

• sinusoidal

What is the vertex of this parabola?

• (−1, 3)

• (−3, 11)

• (−2, 5)

• (0, 5)