Question

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Answer 1

You are correct but the notation. It is 1 pair of solution (-1,0) that is x =-1, y =0 but they go together.

Answer 2

Oh okay so I would just write it like a pair (-1,0) and this applies to the system as a whole.

Answer 3

since you have 2 options: 1 solution or 2 solutions. They are different, right? one pair of solution is 1 solution while 2 pairs of solution is 2 solution. Hence, depend on what your prof determine the solution, you follow him. My prof is not that ambiguous notation. :)

Answer 4

@OOOPS sorry to bug you again, but I got confused. So the answer would be A then? One solution.

Answer 5

yup