document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=80938>Question 80938</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The problem I have--not from a text book--is this:\r<BR>\n" );
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document.write( "\"Draw the graph of the linear function n(x) = 0\"\r<BR>\n" );
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document.write( "On this one, I am totally lost.  Other than understanding there is a \"0\" point on the y axis, I don't know what I am supposed to do.  Help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #58080 by </B><A HREF=/tutors/aboutme.mpl?userid=bucky><B>bucky(2189)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=bucky><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=58080\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It helps to visualize this one if you replace n(x) with y to get:<BR>\n" );
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document.write( "y = 0<BR>\n" );
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document.write( "Now think of it this way: since there is no x in the function, y is always zero regardless<BR>\n" );
document.write( "of what value you assign to x.  Is (-10, 0) a solution to this equation? Yes it is because<BR>\n" );
document.write( "y equals zero. So is (0,0) a solution set because although x is zero, the critical part is<BR>\n" );
document.write( "that y = 0 and that satisfies the equation.  How about the point (50, 0)? Same thing.<BR>\n" );
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document.write( "If you plot all of these points, you begin to see that the graph of y = 0 (or its equivalent <BR>\n" );
document.write( "n(x) = 0) is the x-axis, because the x-axis is the line of all points having a y value of zero.<BR>\n" );
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document.write( "Similarly, y = -3 is a horizontal line intersecting the y-axis at -3.  No matter what value <BR>\n" );
document.write( "you assign to x, the corresponding value of y must always be -3.<BR>\n" );
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document.write( "Hope this is one way of looking at the problem that will help you to make some sense out<BR>\n" );
document.write( "of it. </SPAN>\n" );
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