momto2boys momto2boys
  • 12-04-2017
  • Mathematics
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what is the value of c so that y=x^2=9x+c is a perfect square trinomial

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nestes
nestes nestes
  • 12-04-2017
y=x^2+9x+3
C=3 because you need to square something to get 9. Which means it is 3. Also you would look at the equation as (x+3)^2 which equals x^2+9x+3
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