anonymous
  • anonymous
which of the following are roots of the following polynomial f(x)=x3-5x2-13x-7
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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misty1212
  • misty1212
HI!!
misty1212
  • misty1212
math teachers usually make this easy 1 does not work because \[f(1)=1-5-13-7\neq 0\]
misty1212
  • misty1212
the next good guess is to try \[f(-1)=-1+5+13-7\]

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misty1212
  • misty1212
oops mistake there \[f(-1)=-1-5+13-7\]
misty1212
  • misty1212
got it on the second try !!
mathmale
  • mathmale
I see you are trying to answer Dude's question with synthetic division, but have you checked yet whether or not he has studied that before? You might need to explain some preliminaries first.
mathmale
  • mathmale
Your goal should be to help DUDE get his own answer, not to provide him with the answer.
misty1212
  • misty1212
?? no synthetic division was harmed in computing the number just plug in and see what you get
misty1212
  • misty1212
but thanks for your input ...
mathmale
  • mathmale
Sorry to spill cold water on your fun, but your responses are unacceptable. I am a Moderator and as such it's my job to see that users adhere to OpenStudy rules. Stop now, or risk suspension.
misty1212
  • misty1212
not sure exactly what the "goal" is since @dude1152 is off line
misty1212
  • misty1212
guess it must have been that "synthetic division" that was "unacceptable" lol

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