document.write( "Question 615212: I have tried to find the solve the problem below if refernce to perpendicular lines it states:
\n" ); document.write( "Write the equation of a line perpendicular to the given line but passing through the given point y=2x-1,(2,-2)\r
\n" ); document.write( "\n" ); document.write( "I came up with:
\n" ); document.write( "y=2x-1; (2,-2)
\n" ); document.write( "y=2x(2)=4-1=3
\n" ); document.write( "y=2x(-2)=-4-1=5
\n" ); document.write( "y=3
\n" ); document.write( "y=5\r
\n" ); document.write( "\n" ); document.write( "However the instructor said that the slope of the perpendicular line should be
\n" ); document.write( "-1. I can not figure out how he came to that answer
\n" ); document.write( "

Algebra.Com's Answer #387013 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
The perpendicular slope is really -1/2 since you flip the fraction of 2/1 and you change the sign. \n" ); document.write( "
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