document.write( "Question 933653: Find the slope of the line that passes through (-1,2) and (1,-7) \n" ); document.write( "
Algebra.Com's Answer #566931 by ewatrrr(24785)\"\" \"About 
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(-1,2) and
\n" ); document.write( "(1,-7) m =\"%28y%5B1%5D+-+y%5B2%5D%29%2F%28x%5B1%5D+-+x%5B2%5D+%29\" = 9/-2 = -9/2
\n" ); document.write( "....slope m = = -9/2
\n" ); document.write( "***Using point-slope form, \"y+-+y%5B1%5D+=+highlight_green%28m%29%28x+-+x%5B1%5D%29\"P(-1,2)
\n" ); document.write( "y - 2 = (-9/2)(x +1)
\n" ); document.write( "y - 2 =(-9/2)x -9/2
\n" ); document.write( "y = (-9/2)x -9/2 + 4/2
\n" ); document.write( "y = (-9/2)x -5/2
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