document.write( "Question 512853: write an equation of line ab in slope-intercept form
\n" ); document.write( "a- (-4,-3)
\n" ); document.write( "b- (2,1)
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Algebra.Com's Answer #342750 by mananth(16946)\"\" \"About 
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x1 y1 x2 y2
\n" ); document.write( "-4 -3 2 1
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\n" ); document.write( "slope m = (y2-y1)/(x2-x1)
\n" ); document.write( "( 1 - -3 )/( 2 - -4 )
\n" ); document.write( "( 4 / 6 )
\n" ); document.write( "m= 2/ 3
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\n" ); document.write( "Plug value of the slope and point ( 2 , 1 ) in
\n" ); document.write( "Y = m x + b
\n" ); document.write( "1.00 = 1 1/3 + b
\n" ); document.write( "b= 1 - 1 1/3
\n" ); document.write( "b= - 1/ 3
\n" ); document.write( "So the equation will be
\n" ); document.write( "Y = 2/3 x - 1/3
\n" ); document.write( "m.ananth@hotmail.ca
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