document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=167889>Question 167889</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello,<BR>\n" );
document.write( "I'm having trouble with this homework question on a worksheet that our<BR>\n" );
document.write( "professor gave us.\r<BR>\n" );
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document.write( "Write an equation for each line. Express it in the standard form of Ax+By=C.\r<BR>\n" );
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document.write( "Parallel to x + 2 = 0 with x-intercept (-1,0)\r<BR>\n" );
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document.write( "Thank you very much.\r<BR>\n" );
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document.write( "Joan\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #123745 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=123745\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First, recall that if two lines are parallel, then their slopes are equal.<BR>\n" );
document.write( "The given equation (x+2 = 0) can be written as: x = -2 and you should recognize this as a vertical line (parallel to the y-axis) with an x-intercept of x = -2.<BR>\n" );
document.write( "The slope on a vertical line is, of course, undefined, so that the slope on your line will also be undefined, ie, a vertical line. All vertical lines will have an x-intercept and you are told that the new line will intercept the x-axis at x = -1 because it passes through the point (-1, 0).<BR>\n" );
document.write( "So the equation is simply: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x+=+-1%29 ALIGN=MIDDLE  ALT=\"highlight%28x+=+-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now this may not appear to be written in the standard form of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Ax%2BBy+=+C ALIGN=MIDDLE  ALT=\"Ax%2BBy+=+C\"   DISABLED_style= \"max-width:90%; height:auto;\" > but it really is because, in your equation, A = 1, B = 0, and C = -1 </SPAN>\n" );
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