document.write( "Question 437070: Find an equation of the line containing the point (-2,-5) and parallel to the line 4x-5y=13. \r
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document.write( " Find an equation of the line containing the point (-2,-5) and perpendicular to the line 4x-5y=13. \r
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document.write( "For the first question I got y=(4/5)x-17/5 is this right and how do you do the other one. \n" );
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Algebra.Com's Answer #302323 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! the first one is right\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "perpendicular lines have slopes which are negative reciprocals of each other \n" ); document.write( "___ so you can just swap the x and y coefficients and change one of the signs\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5x + 4y = ? ___ to find ? , just plug in the necessary point\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5(-2) + 4(-5) = -30\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5x + 4y = -30 \n" ); document.write( " |