SOLUTION: solve the system of equations by graphing. then classify the system: 4x-y=10 4x+5y=-26

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: solve the system of equations by graphing. then classify the system: 4x-y=10 4x+5y=-26      Log On


   

Question 550711: solve the system of equations by graphing. then classify the system: 4x-y=10 4x+5y=-26
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
solve the system of equations by graphing.
y = 4x-10
y = (-4/5)x-(26/5)
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graph%28400%2C400%2C-10%2C10%2C-15%2C15%2C4x-10%2C%28-4%2F5%29x-%2826%2F5%29%29
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then classify the system:

4x-y=10
4x+5y=-26
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Subtract and solve for "y":
6y = -36
y = -6
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Solve for "x":
4x-y = 10
4x+6 = 10
4x = 4
x = 1
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The system is consistent.
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Cheers,
Stan H.
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