Solve Quadratic Equations by Graphing

• x = -2 and x = 1

• x = -1 and x = 2

• x = 2 only

• x = -1 only

When solving a quadratic equation graphically we look at the:

• Origin

• x-intercept

• y-intercept

What is the solution of the function shown?

• (-1, 4)

• (-3, 12)

• No real solutions

• (-3, 4)

What is the solution of the function shown?

• x = -1 and x = 0

• x = -1 only

• x = 0 only

• No real solutions

Determine the solutions of the graph:

• No Solutions

• (-3, 0) and (-1, 0)

• Infinity Many Solutions

• (-1, 0)

Determine how many solutions:

• One Solution

• Two Solutions

• No Solutions

• Infinitely Many Solutions

Determine how many zeros:

What is another word that describes the zeroes of a quadratic function?  

• y-intercepts
• vertex
• x-intercepts
• maximum

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

What are the green dots called?

• axis of symmetry
• vertex
• parabola
• roots or x-intercepts