document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=256991>Question 256991</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i have a homework question i have been doing this test and i dont understand how to do this...ok on my test theres a graph that goes to 5 on x and y...and the only thing oon it is (1,6) and the line passes through zero and it says to find the equation for it i really dont know how to do this can someone help please </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #189033 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=189033\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Garamond\" size=\"+2\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28%0D%0A500%2C+500%2C+-6%2C+6%2C+-6%2C+6%2C%0D%0Agrid%281%29%2C%0D%0Acircle%281%2C6%2C.01%29%2C%0D%0Alocate%281%2C6%2CP%281%2C6%29%29%2C%0D%0Agraph%28%0D%0A500%2C+500%2C+-6%2C+6%2C+-6%2C+6%2C6x%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "If I understand your question correctly, you have something that looks like the picture above and you want the equation of the line shown.\r<BR>\n" );
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document.write( "In the first place, \"the line passes through zero\" is incorrect terminology.  \"The line passes through (0,0)\" or \"the line passes through the origin\" is the correct way to say it.\r<BR>\n" );
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document.write( "Which leads us to the fact that you actually have two points on the line, namely: (1,6) and (0, 0).  So just use the two-point form of the equation of a line:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ y\ -\ y_1\ =\ \left(\frac{y_1\ -\ y_2}{x_1\ -\ x_2}\right)(x\ -\ x_1) \">\r<BR>\n" );
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document.write( "where <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \left(x_1,y_1\right)\"> and <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \left(x_2,y_2\right)\"> are the coordinates of the given points.\r<BR>\n" );
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document.write( "Just substitute the values and do the arithmetic.  By the way, you cannot find \"the\" equation for a line.  That is because there are an infinite number of representations of the equation of any given line.  The best you can do is find \"an\" equation of a given line.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
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