document.write( "Question 984215: The line passing through(1,-4) and perpendicular to line y=2x \n" ); document.write( "
Algebra.Com's Answer #604972 by macston(5194)\"\" \"About 
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\n" ); document.write( "y=2x m=2, b=0
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\n" ); document.write( "Perpendicular line:
\n" ); document.write( "Slope is negative reciprocal=-1/2
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\n" ); document.write( "y=(-1/2)x+b Put in values from point to solve for b.
\n" ); document.write( "-4=(-1/2)(1)+b
\n" ); document.write( "-8/2=(-1/2)+b
\n" ); document.write( "-7/2=b
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\n" ); document.write( "Write equation:
\n" ); document.write( "y=(-1/2)x-7/2
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