SOLUTION: State whether the system is consistent and independent, consistent and dependent, or inconsistent: x + y = 4 2x - y = -7

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Question 445966: State whether the system is consistent and independent, consistent and dependent, or inconsistent: x + y = 4
2x - y = -7

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
A consistent system has at least one solution.
An inconsistent system has no solutions.
An independent system has exactly one solution.
A dependent system has infinitely many solutions.
x + y = 4
2x - y = -7
3x = -3
x = -1 and y = 5 Ordered pair (-1,5) the solution for this Independent System
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