document.write( "Question 679515: 1.find the equation of a line that passes through the point (0,2)and (4,-1)
\n" ); document.write( "2.find the equation of a line that passes through the points (-2,0)and (0,1)
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Algebra.Com's Answer #421968 by mananth(16946)\"\" \"About 
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(x1,y1)(0,2)and (x2,y2)(4,-1)\r
\n" ); document.write( "\n" ); document.write( "The equation of line when coordinates of two pointsa are given\r
\n" ); document.write( "\n" ); document.write( "\"%28%28y-y1%29%2F%28y1-y2%29%29=%28%28x-x1%29%2F%28x1-x2%29%29\"\r
\n" ); document.write( "\n" ); document.write( "plug the values of (x1,y1)(0,2)and (x2,y2)(4,-1)\r
\n" ); document.write( "\n" ); document.write( "\"%28%28y-2%29%2F%282-%28-1%29%29%29=%28%28x-0%29%2F%280-4%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%28%28y-2%29%2F3%29=%28x-4%29\"\r
\n" ); document.write( "\n" ); document.write( "y-2=3(x-4)\r
\n" ); document.write( "\n" ); document.write( "y-2=3x-12\r
\n" ); document.write( "\n" ); document.write( "3x-y-10=0
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