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Mathematics 13 Online
OpenStudy (exoticinspirit):

What are some ways you would figure out that point (1,-1) lies on the graph of 4x-2y=6? besides drawing it out

OpenStudy (welshfella):

(1 ,-1) means x = 1 when y = -1 so if you plug these values into your equation and you find that they fit LHS will equal RHS - then that proves that the point is on the graph

OpenStudy (exoticinspirit):

4x1-2x(-1)=6

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