document.write( "Question 454526: What’s the equation of a line that passes through points (0, -1) and (2, 3)?\r
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Algebra.Com's Answer #312127 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x1 y1 x2 y2 \n" ); document.write( "0 -1 2 3 \n" ); document.write( " \n" ); document.write( "slope m = (y2-y1)/(x2-x1) \n" ); document.write( "(3-(-1))/(2-0) \n" ); document.write( "(4/2) \n" ); document.write( "m=2 \n" ); document.write( " \n" ); document.write( "Plug value of the slope and point (0,-1) in \n" ); document.write( "Y =mx+b \n" ); document.write( "-1.00=0+b \n" ); document.write( "b=-1+0 \n" ); document.write( "b=-1 \n" ); document.write( "So the equation will be \n" ); document.write( "Y =2x-1 \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |