document.write( "Question 229381: when you have 2 sets of numbers, how do you know which set is for the up/down and which is left/rt \n" ); document.write( "
Algebra.Com's Answer #170140 by rfer(16322)\"\" \"About 
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x axis is horizontal
\n" ); document.write( "y axis is vertical
\n" ); document.write( "in an ordered pair the first number is always the x axis
\n" ); document.write( "the second is always the y axis
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