SOLUTION: Solve the systems of equations by graphing.Then Classify the system. 3x-9y=72 2x-6y=-12

Algebra ->  Systems-of-equations -> SOLUTION: Solve the systems of equations by graphing.Then Classify the system. 3x-9y=72 2x-6y=-12      Log On


   



Question 335495: Solve the systems of equations by graphing.Then Classify the system.
3x-9y=72
2x-6y=-12

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Solve the systems of equations by graphing.Then Classify the system.
3x-9y=72
2x-6y=-12
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Simplify each equation:
x - 3y = 24
x - 3y = -6
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Put in slope-intercept form:
y = (1/3)x - 8
y = (1/3)x +2
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Graph:
graph%28400%2C300%2C-10%2C10%2C-10%2C10%2C%281%2F3%29x-8%2C%281%2F3%29x%2B2%29
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The lines are parallel.
The system is said to be inconsistent because there
is no (x,y) pair that satisfies both equations.
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Cheers,
Stan H.