Solving Equation by Graphing

Use the graph to determine the solutions.

• -1 and -3

• 1 and -3

• 1 and 3

• -1 and 3

The solutions of a quadratic equation are known as the _____.

• Vertices

• Roots

• Squares

• Formulas

• A
  Roots
  x = 2
  x = -4
• B
  Roots
  x = 2
  x = 4
• C
  Roots
  x = -2
  x = -4
• D
  Roots
  x = 0
  x = 4

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

• A
  Roots are -1 and -3
• B
  Roots are 0 and 3
• C
  Roots are 1 and 4
• D
  Roots are -1 and 3

How many solutions does the function have?

• A

  No Real Solutions

• B

  One Real Solution

• C

  Two Real Solutions

• D

  Four Real Solutions

How many solutions does the function have?

• No Real Solutions

• One Real Solution

• Two Real Solutions

• Four Real Solutions

• A

  No Real Roots

• B

  1

• C

  2

• D

  ∞

What is a solution of the function ?

• A

  -1

• B

  0

• C

  2

• D

  -9

What are the x-intercepts?

• A

  -1

• B

  -3

• C

  3

• D

  5