document.write( "Question 142133: A line contains the points (a-4,b+4) and (a,b) What is the slope of the line? \n" ); document.write( "
Algebra.Com's Answer #103486 by nabla(475)\"\" \"About 
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m=(y2-y1)/(x2-x1)=(b-(b+4))/(a-(a-4))=-4/4=-1 \n" ); document.write( "
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