document.write( "Question 107078: How would I write the equation of a line that has slope -3 and contain the point(4,2).express final equation in standard form. Showing me how to solve this would be of great assistance.\r
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document.write( "Thank you,
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document.write( "Brina \n" );
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Algebra.Com's Answer #77918 by Annabelle1(69)![]() ![]() ![]() You can put this solution on YOUR website! you use your point-gradient formula again \n" ); document.write( "y-y1=m(x-x1)\r \n" ); document.write( "\n" ); document.write( "where m=-3 and x1,y1 is your point (4,2) \n" ); document.write( "(x1=4,y1=2)\r \n" ); document.write( "\n" ); document.write( "subbing into the equation \n" ); document.write( "y-2=-3(x-4)\r \n" ); document.write( "\n" ); document.write( "expand \n" ); document.write( "y-2=-3x+12 \n" ); document.write( "y+3x-2-12=0 \n" ); document.write( "y+3x-14=0 \n" ); document.write( " |