September 2018 0 20 Report
{x2-y=5
{2x+y=3
carilah solusi (x,y)untuk x dan y bilangan real dan lukislah skemagrafiknya
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dari Nurfajrina

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nurfajrina
X2-y=5
2x+y=3 -
  -2y=2
      y=-1
disubstitusikan ke pers x2-y=5
x2-(-1)=5
x2=5-1
x2=4
x=2
HP = { (x,y) | (2,5) }

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