SOLUTION: Does (3,-5) lie on the line y=2x+1? Why

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Question 1187295: Does (3,-5) lie on the line y=2x+1? Why
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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It does not.

BECAUSE if you substitute 3 for x into the right side formula, you will get a positive number,

while the value of y in the left side is negative (-5).