document.write( "Question 925075: The length of a bus route is 4 mi long on the sixth day and 4 mi long on the 17th day, what is the slope and is it undefined, zero, positive or negative? \n" ); document.write( "
Algebra.Com's Answer #561313 by Alan3354(69443)\"\" \"About 
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The slope of what?
\n" ); document.write( "The length doesn't change. If the slope is length/time, then it's zero.
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