Question

Choose the system of equations which matches the following graph:




3x − 6y = 12
9x − 18y = 36


3x + 6y = 12
9x + 18y = 36


3x − 6y = 12
9x + 18y = 36


3x + 6y = 12
9x − 18y = 36

Answer 1

The answer is:  [A]: 
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" 3x − 6y = 12
  9x − 18y = 36 " .
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Answer 2

Answer:

D.

i don't know exactly how to get there, but i failed 1 too many times. good luck.