Saturday, December 17, 2016

517: What is the function?

Algebra 2:
Write a function for this graph ...

What are some possible values for a,b,c,d?
If I told you it also went through (0,54), what might the leading coefficient be?

I would not use the phrase "in factored form", if I were using this in a review or summative assessment since students should be selecting the form that's most appropriate.  I might use it if we are in the middle of learning about functions for the first time and we hadn't really made the case for the utility of various forms of the equation. 


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