Review for Test #3

Determine if the function graphed has a maximum or a minimum value and identify that value.

• maximum at -1

• minimum at -1

• maximum at 4

• minimum at 4

What are the x- intercepts? Select all answers that apply.

• (-2,0)

• (0,0)

• (2,-2)

• (4,0)

How many solutions does this graph have?

• one
• two
• no solutions
• cannot be determined

If the graph of a quadratic does not intercept the x-axis at any point, then it has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• No Real Solution

What is the axis of symmetry?

• the slope of the graph
• the dividing line for a parabola
• a way to spin my pencil
• the x-axis

What are other key terms for "zeros"? Select all answers that apply.

• x-intercepts

• roots

• solutions

• slope

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

• y = -3

• x = 2

• x = -3

• y = 2

What is the vertex of y=x²+4x+3?

• (2,1)
• (-2,1)
• (0,0)
• (-2,-1)

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

• x=-8
• x=1
• x=-1
• x=2

Joe Mauer hits a fly ball.  You can track the height of the ball using the equation:  

h(t) = -16t² + 140t + 2  

What was the starting height of the ball?                                                                                      

• -16 feet

• 140 feet

• 2 feet

• 0 feet