janoskianator janoskianator
  • 14-11-2014
  • Mathematics
contestada

how to rewite this x+4y=-4 in form y=mx+b

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konrad509
konrad509 konrad509
  • 14-11-2014
[tex]x+4y=-4\\ 4y=-x-4\\ y=-\frac{1}{4}x-1[/tex]
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apologiabiology
apologiabiology apologiabiology
  • 14-11-2014
so  if you want y=mx+b

you subtract x from both sides and get
4y=x-4
divide both sides by 4
y=(1/4)x-1 or y=(1/4)x+(-1)
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