Vertex Form of a Quadratic

If given the equation
y = 3(x + 5)² - 4,
what is the vertex of the parabola?

• (5, -4)
• (-5, -4)
• (-15, -4)
• (15, -4)

Given the equation for this parabola:
 y=-(x-4)²-3,
does this parabola have a maximum or minimum value?

• Maximum
• Minimum

The axis of symmetry line passes through which point?

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

Identify the vertex and whether the graph opens up or down.

• (5, 2); opens up
• (5, 2); opens down
• (-5, 2); opens up
• (-5, 2); opens down

Which equation has a vertex of (-3, 4)?

• y = 2(x+3)² + 4
• y = (x+3)² - 4
• y = (x-3)² + 4
• y = 2(x - 3)² + 4

The graph of a quadratic function is called a

• Parabola
• Vertex
• Axis of Symmetry 
• Vertex Form

What is the y-intercept of

f(x)=2x² + 4x + 6

(hint: Sub in zero for x)

• (6 , 0)

• (-6 , 0)

• (0, -6)

• (0 , 6)

Without using a graphing calculator:  What direction is the following equation opening?
y=-3x²-7x+8

• Up
• Down

What is the vertex of the following equation?
y=5(x-3)²+5

• (3,5)
• (-3,5)
• (3, -5)
• (-3,-5)

Does this parabola have a minimum or maximum and what is its value?

• minimum: 2

• maximum: 2

• minimum: 5

• maximum: 5