williamsgentarr
williamsgentarr williamsgentarr
  • 28-05-2014
  • Mathematics
Answered

What is the graph line for this problem?
x+3y=9



Answer :

kate200468
kate200468 kate200468
  • 28-05-2014
[tex]x+3y=9\ \ \ \Rightarrow\ \ \ 3y=-x+9\ \ \ \Rightarrow\ \ \ y=- \frac{1}{3} x+3\\\\x=0\ \ \ \Rightarrow\ \ \ y=- \frac{1}{3} \cdot0+3=0\ \ \ \Rightarrow\ \ \ point:\ (0;3)\\\\y=0\ \ \ \Rightarrow\ \ \ x+3\cdot0=9\ \ \ \Rightarrow\ \ \ x=9\ \ \ \Rightarrow\ \ \ point:\ (9,0)[/tex]
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