Thursday, March 08, 2007

Rational Review

Today, I did a lecture on the end behavior of rational functions. We used polynomial division to rewrite the rational function, and then figured out what terms would approach 0, leaving us with a lovely end-behavior function.

Students are starting to get overwhelmed - though they know the differences between x-intercepts, y-intercepts, and vertical asymptotes, when called on to figure them all out for a problem, they tend to mix things up. So I need to stop and take a day for review. So, I present:

Another Perplex City inspired creation for tomorrow's lesson. Enjoy!

Can you decipher the message? Leave a comment.

7 comments:

  1. Anonymous6:53 PM

    I think it says "Be sure to drink your Ovaltine".

    ReplyDelete
  2. Dan Wekselgreene7:05 PM

    Nope, less preachy :)

    ReplyDelete
  3. Anonymous9:22 PM

    So, can I have a dollar then? ;)

    ReplyDelete
  4. Dan Wekselgreene9:34 PM

    Of course! See me after class. Extra credit if you know what the secondary code says.

    ReplyDelete
  5. Anonymous8:15 PM

    man.. no dollar for me, greene, but I do LOVE dancing... especially in MATH class.

    ReplyDelete
  6. Dan Wekselgreene8:30 PM

    Elementary, my dear Mathercize.

    ReplyDelete
  7. Anonymous8:49 PM

    Three-forty is our train, and I fancy we should be back in Baker Street for dinner.

    ReplyDelete