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Secant, Tangent, and Difference Quotient

2/2/2018

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Get an intuitive understanding of how the slope of a tangent can be approximated with a secant...
Play with the Desmos file by opening it in the Desmos web app. 
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Movable Zeroes

4/1/2018

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Move the x-intercepts of the polynomial around. 
  • What happens when 2 zeroes get close together?  When they are on top of each other?
  • What happens when 3 zeroes are on top of each other?  4?
  • What happens to the graph when the zeroes are far apart?

​Open in Desmos
to change the degree of the polynomial (by activating a different functions) or change the 'a' value to scale if things get too crazy.
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    Lukas Notten

    TCDSB Educator 
    High School Math & Science

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Lukas Notten

BASc. BEd. OCT
TCDSB Educator
High School Math & Science
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