SOLUTION: solve each system of equations by graphing....trying to find the solution set for y=-3x+9 and y=-3x+3 and for y=-x-3y and y=x+1

Algebra ->  Graphs -> SOLUTION: solve each system of equations by graphing....trying to find the solution set for y=-3x+9 and y=-3x+3 and for y=-x-3y and y=x+1      Log On


   

Question 1156550: solve each system of equations by graphing....trying to find the solution set for y=-3x+9 and y=-3x+3
and for y=-x-3y and y=x+1
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
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for y=-3x+9 and y=-3x+3
and for y=-x-3y and y=x+1
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graph%28400%2C400%2C-5%2C10%2C-5%2C10%2C-3x%2B9%2C-3x%2B3%29
No intersection; two parallel lines




graph%28400%2C400%2C-3%2C3%2C-3%2C3%2C-x%2F4%2Cx%2B1%29
Intersection is at system%28x=-4%2F5%2C+and%2C+y=1%2F5%29.