How can 2x/3x = 2/3x squared?

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  • Thread starter Beanyboy
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  • #1
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Summary:

Functions of both graphs are identical on calculator.
On my graphing calculator y = 2x/3x gives precisely the same graph as y = 2/3x squared. How is this possible?
 

Answers and Replies

  • #2
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Multiplications and divisions should be evaluated from left to right. 2x/3x = (2x/3) x = (2/3) x^2
 
  • #3
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Summary: Functions of both graphs are identical on calculator.

On my graphing calculator y = 2x/3x gives precisely the same graph as y = 2/3x squared. How is this possible?
If you want the calculator to graph ##y = \frac{2x}{3x}##, write it as y = (2x)/(3x)
 
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Likes Beanyboy
  • #4
83
20
Multiplications and divisions should be evaluated from left to right. 2x/3x = (2x/3) x = (2/3) x^2
Thanks. Much appreciated.
 

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