document.write( "Question 344765: perpendicular to y=9x+8, passing through the point(0,-7) \n" ); document.write( "
Algebra.Com's Answer #246802 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Perpendicular lines have slopes that are negative reciprocals,
\n" ); document.write( "\"m%5B1%5D%2Am%5B2%5D=-1\"
\n" ); document.write( "\"9%2Am%5B2%5D=-1\"
\n" ); document.write( "\"m%5B2%5D=-1%2F9\"
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\n" ); document.write( "\"y=-%281%2F9%29x%2Bb\"
\n" ); document.write( "Use the point (0,-7) to solve for \"b\"
\n" ); document.write( "\"-7=-%281%2F9%29%280%29%2Bb\"
\n" ); document.write( "\"b=-7\"
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\n" ); document.write( "\"highlight_green%28y=-%281%2F9%29x-7%29\"
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