document.write( "Question 366438: What is the equation of a line that is perpendicular to the line y = 3x + 9 and containing the point (6, –4)?\r
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document.write( "What is the equation of a line that is parallel to the line y=1/2x+7 equation and containing the point (–4, 7)? \n" );
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Algebra.Com's Answer #261127 by mananth(16946)![]() ![]() You can put this solution on YOUR website! What is the equation of a line that is perpendicular to the line y = 3x + 9 and containing the point (6, –4)? \n" ); document.write( ".. \n" ); document.write( "y=3x+9 \n" ); document.write( "slope = 3 \n" ); document.write( "slope of line perpendicular to this line will be negative reciprocal \n" ); document.write( "= -1/3 \n" ); document.write( "Point(6,-4) \n" ); document.write( "equation of line passing through point (x1,y1) \n" ); document.write( "=(y-y1)=m(x-x1) \n" ); document.write( "=(y-(-4)=-1/3(x-6) \n" ); document.write( "=y+4 = -x/3+2 \n" ); document.write( "y=-1/3*x -4+2 \n" ); document.write( "y= -1/3 *x -2 \n" ); document.write( "... \n" ); document.write( "The graph will be as below\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "and \r \n" ); document.write( "\n" ); document.write( "What is the equation of a line that is parallel to the line y=1/2x+7 equation and containing the point (–4, 7)? \n" ); document.write( ".. \n" ); document.write( "y= 1/2 x +7 \n" ); document.write( "slope = 1/2 \n" ); document.write( "since line required is parallel slope will be same = 1/2 \n" ); document.write( "Point ( -4,7) \n" ); document.write( ".. \n" ); document.write( "y-y1=m(x-x1) \n" ); document.write( "y-7=1/2(x+4) \n" ); document.write( "y-7= x/2 +2 \n" ); document.write( "y=x/2 +9 \n" ); document.write( "... \n" ); document.write( " |