anonymous
  • anonymous
find all numbers for which the rational expression is undefined y²-y-5 -------- y²-13y+40
Mathematics
chestercat
  • chestercat
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anonymous
  • anonymous
5 and 8
anonymous
  • anonymous
plz show your work i dont understand the answer
anonymous
  • anonymous
see any rational expression is undefined whenever its denominator becomes zero

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anonymous
  • anonymous
so essentially this question asks for the zeroes of the denominator, if any
anonymous
  • anonymous
thats what i did...i calculated the zeroes of the denominator, 5 and 8
anonymous
  • anonymous
ok so y=5,8
anonymous
  • anonymous
yeah..get it?
anonymous
  • anonymous
i think so
anonymous
  • anonymous
neither is neg right?
anonymous
  • anonymous
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myininaya
  • myininaya
hey tina did you ever finished that addition on two fractions from earlier?
anonymous
  • anonymous
yes

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