Monday, October 25, 2010

Extra Assignment

http://scallions11precalc.blogspot.com/
There's plenty of lessons, examples, and links to other sites, with new ones being added each day!

Friday, October 22, 2010

Thursday, October 21, 2010

bonus assignment! : quadratic formula

http://www.mathwarehouse.com/quadratic/the-quadratic-formula.php



Examples of the quadratic formula to solve an equation
  • Example 1
      Quadratic Equation: y = x² + 2x + 1
    • a = 1
    • b = 2
    • c = 1
    • Using the quadratic formula to solve this equation just substitute a,b, and c into the general formula:
      example of quadratic formula
      Below is a picture representing the graph of
      y = x² + 2x + 1 and its solution
    Picture of graph of  solved quadratic formula
  • this site shows exactly what the quadratic formula does for you. (like finding the x-axis, and how to graph it.)

Wednesday, October 20, 2010

Tuesday, October 19, 2010

Law of Sines

www.en.wikipedia.org/wiki/Law_of_sines

This was very easy and helpful to explain sine law . :)

Review key for test #3

Thanks Jen House for reminding me to post this to the web. I am up to my eyeballs in marking right now so if you need anything just e-mail!