Posted by **I NEED HELP NOW!!:)** on Wednesday, November 10, 2010 at 7:54pm.

How can you tell if an equation of a relation represents a linear relation?

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**I NEED HELP NOW!!:)**, Wednesday, November 10, 2010 at 7:54pm
THanks to everyon who helps :)

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**bobpursley**, Wednesday, November 10, 2010 at 8:12pm
linear = first degree only, no squares, no cubes, no square roots,no products of variable.

so x+3y=c is a linear equation

x^3+y=c is NOT

-x+12y=45 is linear

1+ xy=c is NOT

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**I NEED HELP NOW!!:)**, Wednesday, November 10, 2010 at 8:50pm
thanks so much that helped me a lot !!

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