Characteristics of Quadratic Functions

Using the graph of the quadratic function, identify the y-intercept.

• (4, -6)

• (0, 2)

• (.5, 0)

• (7.5, 0)

Using the graph of the quadratic function, identify the vertex.

• (4, -6)

• (0, 2)

• (.5, 0)

• (7.5, 0)

Which of the following graphs appropriately marks the axis of symmetry?

• 
• 
• 
• 

Use the graph to determine the solutions.
*Hint: Solutions = roots = zeros = x-intercepts

• -1 and -3
• 1 and -3
• 1 and 3
• -1 and 3

Find the axis of symmetry for
f(x) = x²- 8x + 15.

• x = -4
• x = 4
• y = 4
• y = -4

Which of the following is the vertex of the graph of the equation
y= -x²+2x+3?

• (0,3)
• (-1,0)
• (1,4)
• (3,0)

What is the axis of symmetry for this graph?

• y=2
• x=2
• x=0
• y=0

What's the axis of symmetry of y = 3x² - 6x + 4

• x=1
• x=-6
• x=2
• x=-1

Find the axis of symmetry of f(x)= -2x²-16x+3.

• x= 4
• x=-4
• y= 4
• y=-4

Find the vertex of the quadratic:
y = -2x² + 4x + 3

• (0, 3)
• (-1, 5)
• (1, 5)
• (1, -5)