solving the quadratic equations by graphing

Use the graph to determine the solutions.

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

Name the x-intercept(s)?

• 0
• 4
• 2
• 0 and 4

• A
  1 Real Solution
• B
  2 Real Solutions
• C
  No Real Solutions
• D
  Half a Solution

What are the x-intercepts?

• A

  -1

• B

  -3

• C

  3

• D

  5

What is another word for solutions

• zeros

• roots

• x-intercepts

• y-intercepts

• vertex

• 
• 
• 
• 

What is another way to say "where a function crosses the x-axis"?

• x-intercept
• zero
• root
• all of these.

.How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

How many solutions does this function have?

• two

• one

• all real numbers

• no real solutions

What are the zeros to this function: x² + 8x + 12 = 0

• x = -2 and x = -6

• x = 4 and x = 3

• x = -5

• x = 5/4 and x = 3