anonymous
  • anonymous
Why is it important to check the solutions of graphical equations algebraically? Discuss the advantages in doing so and show an example that demonstrates why this is important.
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
ok, so why is it important to double check our answers?
anonymous
  • anonymous
I don't know, my mind is hurting.. lol.. It just doesn't make since?
anonymous
  • anonymous
I understand double checking answers, But I don't know why we have to with algebra?

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anonymous
  • anonymous
because algebra is the basic mathematical strategy for solving problems of the such
anonymous
  • anonymous
I'm back.. u there?
anonymous
  • anonymous
Can you show me an example?
anonymous
  • anonymous
Sometimes the graphing will only be an approximation of an answer (or it will round when it shouldn't), while solving algebraically will sometimes give you an exact answer. For example the graph y=1/x is never supposed to touch y=0; however, if you use a graphing calculator and make the window size big enough you will see that it will eventually say y=0 as you trace the graph along.
anonymous
  • anonymous
i already answered this question when he reposted it! ha! :DD

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