document.write( "Question 24650: how do you tell the difference between linear and not linear ? \n" ); document.write( "
Algebra.Com's Answer #13143 by josmiceli(19441)\"\" \"About 
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linear means straight line. You have two variables in a linear equation
\n" ); document.write( "which are always in the same proportion to eachother like the slope of a
\n" ); document.write( "pitched roof is always the same. Domed roofs are definitely non-linear
\n" ); document.write( "because the slope isn't always the same. (at the top it's flat)
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