document.write( "Question 101098: Find the length, slope, midpoint and equation to the line
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\n" ); document.write( "\n" ); document.write( "P (7, 11)
\n" ); document.write( "Q(-2,4) \n" ); document.write( "
Algebra.Com's Answer #73582 by edjones(8007)\"\" \"About 
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P (7, 11)
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\n" ); document.write( "distance=\"d=sqrt%28x%5B2%5D-x%5B1%5D%29%5E2%2B%28y%5B2%5D-y%5B1%5D%29%5E2=srqt%289%5E2%2B7%5E2%29=11.4\"
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\n" ); document.write( "slope=m=change in y/chnge in x=7/9
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\n" ); document.write( "midpoint= ((7+(-2))/2,(11+4)/2)=(5/2,15/2)
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\n" ); document.write( "equation: y-y[1]=m(x-x[1]
\n" ); document.write( "y-4=7/9(x-(-2))
\n" ); document.write( "y-4=7/9(x+2)
\n" ); document.write( "9y-36=7(x+2)
\n" ); document.write( "9y-36=7x+14
\n" ); document.write( "9y=7x+50
\n" ); document.write( "y=7x/9+50/9 slope-intercept form
\n" ); document.write( "7x-9y+50=0 general form
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