document.write( "Question 469034: If a line has a slope of 3 and cuts the y axis at the point 7, what is its equation?\r
\n" ); document.write( "\n" ); document.write( "Please help - struggling with working this out!!
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Algebra.Com's Answer #321804 by mananth(16946)\"\" \"About 
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m= 3.00 \r
\n" ); document.write( "\n" ); document.write( "y=mx+b
\n" ); document.write( "Find b
\n" ); document.write( "intercepts x axis at (7,0)
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\n" ); document.write( "Plug value of the slope and point (7,0) in
\n" ); document.write( "Y = m x + b
\n" ); document.write( "0.00 = 21 + b
\n" ); document.write( "b= 0 21
\n" ); document.write( "b= -21
\n" ); document.write( "So the equation will be
\n" ); document.write( "Y = 3x -21
\n" ); document.write( "m.ananth@hotmail.ca
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