document.write( "Question 371607: My homework question states: Write the equation of the linear function whose graph contains the point (-2,4) and is perpendicular to the line whose equation is 2x+y=10. \r
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document.write( "How do I solve this? \n" );
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Algebra.Com's Answer #264708 by mananth(16946)![]() ![]() You can put this solution on YOUR website! the given equation is 2x+y=10 \n" ); document.write( "re-write in slope intercept form \n" ); document.write( "y=-2x+10 \n" ); document.write( "compare with equation \n" ); document.write( "y = mx+b \n" ); document.write( "slope m=-2 \n" ); document.write( ".. \n" ); document.write( "the desired line is perpendicular to this line so slope is negative reciprocal of the given line \n" ); document.write( "slope = 1/2 \n" ); document.write( ".. \n" ); document.write( "passing through (-2,4) \n" ); document.write( "y= mx+b \n" ); document.write( "plug value of m x,y \n" ); document.write( "4=1/2*-2+b \n" ); document.write( "4=-1+b \n" ); document.write( "b=5 \n" ); document.write( "so the line will be y = (1/2)x+5 \n" ); document.write( " \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |