waffles69 waffles69
  • 22-12-2016
  • Mathematics
contestada

what is the solution of the following system?
{-2x - y = 1
{-4x - 2y = -1


A. infinite solutions
B. no solution
C. (3,8)
D. (-3,-8)

Respuesta :

4lly22 4lly22
  • 22-12-2016
it would be B. no solution
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 22-12-2016
divide 2nd equation by 2

we get

-2x-y=1 and
-2x-y=-1/2
therefor

1=2x-y=-1/2
1=-1/2
false
no solution

B is answer
Answer Link

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