Solve simple quadratic equations after factoring by completing the square

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Edit   Delete - Last Modified By: BJO at 25/10/2013 10:22:55 AM
Have a look at this:
Edit   Delete - Last Modified By: BJO at 28/10/2013 9:42:34 AM

Check this page out (also gives a reason for wanting to complete the square! - more on this later in the sequence)

Edit   Delete - Last Modified By: dsi at 9/12/2013 12:38:47 PM
Edit   Delete - Last Modified By: BJO at 25/10/2013 3:44:29 PM
A couple of brain teasers are in the following powerpoint.  Try one page, then flip to the next for the solution (no cheating!)
Edit   Delete - Last Modified By: bjo at 26/10/2013 11:47:40 AM

Log in to Manga High  (www.mangahigh.com) and go to 'mytodolist' tab.  Please attempt the following challenges:

completing the square - coefficient of x2 more than 1

Edit   Delete - Last Modified By: BJO at 28/10/2013 5:19:39 PM
Check out the following animation, showing how to complete the square (runs on VLC media player)
Edit   Delete - Last Modified By: BJO at 29/10/2013 10:10:51 PM
Here's an interactive visual tool for exploring how to complete the square (it may take a while to load)
Edit   Delete - Last Modified By: BJO at 28/10/2013 9:47:24 AM

Log in to Manga High  (www.mangahigh.com) and go to 'mytodolist' tab.  Please attempt the following challenges:

  • completing the square
  • [use the completed square]

Note: anything in square brackets [] is optional. You may skip it if you like.  However, it is good practice ;-)

Edit   Delete - Last Modified By: BJO at 26/10/2013 1:19:08 PM
Here is the Wiki page for completing the square.  It has a lot more stuff about completing the square!
Edit   Delete - Last Modified By: BJO at 25/10/2013 2:45:11 PM
Try the following exercise, for extra practice
Edit   Delete - Last Modified By: bjo at 28/10/2013 9:29:54 PM
Here is a powerpoint presentation on how to complete the square