Kul3kid999995a
Kul3kid999995a Kul3kid999995a
  • 19-02-2018
  • Mathematics
contestada

Which ordered pair is the best estimate for the solution of the system of equations? y=−1/2x+4y=1/2x−3

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Аноним Аноним
  • 19-02-2018
If we add the 2 equations the terms in x dssappear and we get

2y = 1
so y = 1/2 

Substitute in first equtaion:-

1/2 = - 1/2 x + 4
-1/2 x = 1/2 - 4 = - 7/2
x = -7/2 * -2 =  14/2 = 7  

answer is (7, 1/2)


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