SOLUTION: Solve by graphing. Which one is it and explain: independent, inconsistent or dependent. Please y = -x y = -x + 3 I am confused with this one. Thank you

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Question 178668: Solve by graphing. Which one is it and explain: independent, inconsistent or dependent. Please
y = -x
y = -x + 3
I am confused with this one. Thank you

Found 2 solutions by Alan3354, Mathtut:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Solve by graphing. Which one is it and explain: independent, inconsistent or dependent. Please
y = -x
y = -x + 3
I am confused with this one. Thank you
--------------
This set of equations is inconsistent.
You can work it around and get 3 = 0.
There is no solution. If you plot the graphs, you get 2 parallel lines.

Answer by Mathtut(3670)   (Show Source): You can put this solution on YOUR website!
these lines have the same slope and different y intercepts, therefore they are parallel lines meaning this system has NO Solutions........therefore, it is inconsistent...which also means dependency and independency do not come into play.
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