document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=460308>Question 460308</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which of the following do you find easier to graph? Why?\r<BR>\n" );
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document.write( "    a. 3x + 4y = 8\r<BR>\n" );
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document.write( "    b. y = (-3/4)x + 2 \r<BR>\n" );
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document.write( "Also I have one more question\r<BR>\n" );
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document.write( "Why is the graph of x = 7 is a vertical line? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #315772 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=315772\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The graph of x = 7 is a vertical line IN THE CARTESIAN PLANE because the points contained in such line are of the form (7, y).  Since the x-value is fixed while the y-values are free to change, the locus is a line that has a constant distance of 7 units from the y-axis, hence is parallel to the latter.  Since the y-axis is vertical by definition, the graph of x = 7 must also be a vertical line.\r<BR>\n" );
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document.write( "BTW, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+%28-3%2F4%29x+%2B+2 ALIGN=MIDDLE  ALT=\"y+=+%28-3%2F4%29x+%2B+2\"   DISABLED_style= \"max-width:90%; height:auto;\" > is easier to graph, ONLY BECAUSE plugging in values for x gives the y-values right away, whereas in the top equation, you still have to go through a bit of arithmetic to get y.  BUT the the two equations have the SAME graph. </SPAN>\n" );
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