document.write( "Question 949987: Find the equation of thr line. Write the equation using function notation. Through (7,-1); perpendicular to 9y=x-16 \n" ); document.write( "
Algebra.Com's Answer #580057 by Fombitz(32388)\"\" \"About 
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\"9y=x-16\"
\n" ); document.write( "\"y=x%2F9-16%2F9\"
\n" ); document.write( "A perpendicular line would have a slope that is the negative reciprocal of this line's slope.
\n" ); document.write( "\"m%5Bp%5D=-1%2F%281%2F9%29=-9\"
\n" ); document.write( "So then using the point-slope form of a line,
\n" ); document.write( "\"y-%28-1%29=-9%28x-7%29\"
\n" ); document.write( "\"y%2B1=-9x%2B63\"
\n" ); document.write( "\"y=-9x%2B62\"
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