document.write( "Question 669156: find an equation of the line containing the given pair of points (-2,-6) and (-5,-8) \n" ); document.write( "
Algebra.Com's Answer #416137 by mananth(16946)\"\" \"About 
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x1 y1 x2 y2
\n" ); document.write( "-2 -6 -5 -8
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\n" ); document.write( "slope m = (y2-y1)/(x2-x1)
\n" ); document.write( "( -8 - (-6) )/( -5 - (-2) )
\n" ); document.write( "( -2 / -3 )
\n" ); document.write( "m= 2/3
\n" ); document.write( "The required line passes through both the points. So we select one point and plug it with the slope
\n" ); document.write( "Plug value of the slope and point(-2, -6) in
\n" ); document.write( "Y = m x + b
\n" ); document.write( "-6.00 = 2/3 * -2 + b
\n" ); document.write( "-6.00 = -1 1/3 + b
\n" ); document.write( "b= -6 + 4/3
\n" ); document.write( "b= -14/ 3
\n" ); document.write( "So the equation will be
\n" ); document.write( "Y = 2/3 x -14/3
\n" ); document.write( "m.ananth@hotmail.ca
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