document.write( "Question 881968: A line contains the points (–2, –6) and (4, 1). Using point-slope form, write the equation of the line that is perpendicular to the given line and that passes through the point (4, 1). \n" ); document.write( "
Algebra.Com's Answer #532636 by josgarithmetic(39617)\"\" \"About 
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Know these:
\n" ); document.write( "\"y=mx%2Bb\", \"b=y-mx\";
\n" ); document.write( "\"m=%28y-v%29%2F%28x-u%29\" for some given point (u,v).
\n" ); document.write( "Slope for line perpendicular is \"-%28x-u%29%2F%28y-v%29\".\r
\n" ); document.write( "\n" ); document.write( "and know point-slope form: \"y-v=m%28x-u%29\".\r
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\n" ); document.write( "\n" ); document.write( "Line you want:
\n" ); document.write( "\"y-1=%28%28-1%29%28%284-%28-2%29%29%2F%281-%28-6%29%29%29%29%28x-4%29\"
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