Finding Roots on a Graph

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

What is another word for zeros?

• y-intercepts

• roots

• vertex

• axis of symmetry

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

• Real Solution

• Real Solutions

• Half a Solution

• No Real Solution

What are the green dots called?

• axis of symmetry

• vertex

• parabola

• roots or x-intercepts

Find the root(s) of the function.

• x = 3

• x = {-3, -1, 2}

• x = {-3, 2}

• x = -1

What are the solutions?

• -2, 1

• 1, 2

• -1,2

• 0,-4

The x-intercepts of a quadratic equation are known as the _____.

• vertices

• squares

• zeros

• formulas

How many roots does this parabola have? 

• 3

• 2

• 0

• 1

The equation y = x²  is graphed.  Based on this graph, what are the roots of the equation x²  = 0?

• 0

• -1 and 1

• 2 and 0

• y

How many solutions (roots) does this graph have?

• one

• two

• no solutions

• cannot be determined