document.write( "Question 1048400: Find an equation of the line that passes through the point (2,-7) and is perpendicular to the line 4x=y-8.\r
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document.write( "please show steps \n" );
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Algebra.Com's Answer #663982 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! the standard slope-intercept form for an equation of a line \n" ); document.write( "where m is the slope and b the y-intercept is: \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4x = y - 8 0r y = 4x + 8 , m = 4 Green \n" ); document.write( "***Using point-slope form, \n" ); document.write( "P(2,-7), m = -1/4 (negative reciprocal, line perpendicular) \n" ); document.write( "y + 7 = (-1/4)(x - 2) \n" ); document.write( "y + 7 = (-1/4)(x) +1/2 \n" ); document.write( "y = (-1/4)x - 13/2 Blue \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |