document.write( "Question 402049: write an equation of the line containing the given point and perpendicular to the given line: (2,5); 2x+y=3 \n" ); document.write( "
Algebra.Com's Answer #284453 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! (2,5); 2x+y=3 \n" ); document.write( ". \n" ); document.write( "First, find slope of: \n" ); document.write( "2x+y=3 \n" ); document.write( "y=-2x+3 \n" ); document.write( "slope is -2 \n" ); document.write( ". \n" ); document.write( "A line that is perpendicular must be the negative reciprocal: \n" ); document.write( "-2m = -1 \n" ); document.write( "m = 1/2 (our new slope) \n" ); document.write( ". \n" ); document.write( "Plug our new slope and the given point (2,5) into the \"point-slope\" form: \n" ); document.write( "y - y1 = m(x - x1) \n" ); document.write( "y - 5 = (1/2)(x - 2) \n" ); document.write( "y - 5 = (1/2)x - 1 \n" ); document.write( "y = (1/2)x + 4 (this is what they're looking for)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |