anonymous
  • anonymous
Find a cubic function with the given zeros. Square root of seven., -Square root of seven., -4
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
\[\sqrt{7}, -\sqrt{7}, -4\]
phi
  • phi
you are told x= sqr(7), or x-sqr(7)= 0 x= -sqr(7) or x+ sqr(7)=0 x= -4 or x+4=0 multiply out \[ (x-\sqrt{7})(x+\sqrt{7})(x+4) \] I would first do \[(x-\sqrt{7})(x+\sqrt{7}) \]
anonymous
  • anonymous
would that be \[x^{2}-7\] @phi

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anonymous
  • anonymous
then\[x ^{3}+4x ^{2}-7x-28\]?
anonymous
  • anonymous
what's the question
anonymous
  • anonymous
http://www.wolframalpha.com/input/?i=%E2%88%9A7%2C+-%E2%88%9A7%2C+-4
anonymous
  • anonymous
does that help
anonymous
  • anonymous
@kirarittgers
anonymous
  • anonymous
did u get it @kirarittgers
anonymous
  • anonymous
no lol but i have the answer so thank youuu

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