document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=563390>Question 563390</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do you show the equation of a line that passes through point (0, b)and (1,b + m)is y=mx+b and how do you explain that point (-1, b -m) also is on the line?<BR>\n" );
document.write( "(linear equations in slope intercept from)  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #364862 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=364862\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (0,b) (1,b+m)are the points\r<BR>\n" );
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document.write( "(b+m-b)/1 = m is the slope\r<BR>\n" );
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document.write( "The equation of line<BR>\n" );
document.write( "(y-y1)= m(x-x1)\r<BR>\n" );
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document.write( "plug (0,b) & m in the equation\r<BR>\n" );
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document.write( "(y-b)=m(x-0)\r<BR>\n" );
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document.write( "y-b=mx\r<BR>\n" );
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document.write( "y=mx+b\r<BR>\n" );
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document.write( "---\r<BR>\n" );
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document.write( "substitute -1, b-m in the equation  y= mx+b\r<BR>\n" );
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document.write( "b-m = m*-1+b\r<BR>\n" );
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document.write( "b-m = b-m\r<BR>\n" );
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document.write( "so the point is on the line \r<BR>\n" );
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