document.write( "Question 650882: I want to know how can 2000=20x+10y be considered a linear equation. Is it because you can make Y a linear function of X or because both standard and slope-intercept form can be used to graph the linear function. \n" ); document.write( "
Algebra.Com's Answer #407461 by rfer(16322)\"\" \"About 
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It is linear because no exponents are in the equation.
\n" ); document.write( "For each change in x there is a linear change in y. (straight line change)
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