document.write( "Question 197101This question is from textbook
\n" ); document.write( ": Find an equation in slope-intercept form passing through the points (2,5) and (7,-3).
\n" ); document.write( "Find the slope
\n" ); document.write( "slope \"m=%28y1-y2%29%2F%28x1-x2%29\"
\n" ); document.write( "==> \"m=%285--3%29%2F%282-7%29\"
\n" ); document.write( "==> \"m=%285%2B3%29%2F%282-7%29\"
\n" ); document.write( "==> \"m=8%2F-5\"
\n" ); document.write( "Point-Slope form
\n" ); document.write( "\"y-y1=m%28x-x1%29\"------(1)
\n" ); document.write( "(x1,y1)=(2,5)
\n" ); document.write( "substituting (x1,y1) in (1)
\n" ); document.write( "\"y-5=%28-8%2F5%29%28x-2%29\"
\n" ); document.write( "\"y-5=%28%28-8x%29%2F5%29%2B%2816%2F5%29\"
\n" ); document.write( "\"y=%28%28-8x%29%2F5%29%2B%2816%2F5%29%2B5\"
\n" ); document.write( "\"y=%28%28-8x%29%2F5%29%2B%2841%2F5%29\"
\n" ); document.write( "here slope is \"-8%2F5\" and y intercept is \"41%2F5\"
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