1. A quadratic equation is written in the Standard Form,
Solving Quadratic Equations by Factoring
A quadratic equation is written in the Standard Form,
where a, b, and c are real numbers and
Examples:
(standard form)

2. If a and b are real numbers and if , then or .
Solving Quadratic Equations by Factoring
Zero Factor Property:
If a and b are real numbers and if ,
then or
Examples:

3. If a and b are real numbers and if , then or .
Solving Quadratic Equations by Factoring
Zero Factor Property:
If a and b are real numbers and if ,
then or
Examples:

4. Solving Quadratic Equations: 1) Write the equation in standard form.
11.6 – Solving Quadratic Equations by Factoring
Solving Quadratic Equations:
1) Write the equation in standard form.
2) Factor the equation completely.
3) Set each factor equal to 0.
4) Solve each equation.
5) Check the solutions (in original equation).

5. Solving Quadratic Equations by Factoring

6. Solving Quadratic Equations by Factoring
If the Zero Factor Property is not used, then the solutions will be incorrect

7. Solving Quadratic Equations by Factoring

8. Solving Quadratic Equations by Factoring

9. Solving Quadratic Equations by Factoring

10. Solving Quadratic Equations by Factoring

11. Solving Quadratic Equations by Factoring