document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=179195>Question 179195</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do we write the equation of a vertical line? what would be an example?\r<BR>\n" );
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document.write( "The points (1,3),(2,5)(8,17),(50,101),and (1000,2001) all lie on line M.<BR>\n" );
document.write( "The points (1,-1),(2,-3),(8,-15),(50-99),(and (1000-1999) all lie on line N.<BR>\n" );
document.write( "a.form the equations of both the lines. <BR>\n" );
document.write( "b.what are the co-ordinates of the intersections of lines M and N <BR>\n" );
document.write( "c.write the co-ordinates of the intersections of lines M and N with the x-axis<BR>\n" );
document.write( "d.write the co-ordinates of the intersection of lines M and N with the y-axis. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #134152 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=134152\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do we write the equation of a vertical line? what would be an example? <BR>\n" );
document.write( "If the line passes thru (a,b) the equation is x = a<BR>\n" );
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document.write( "The points (1,3),(2,5)(8,17),(50,101),and (1000,2001) all lie on line M.<BR>\n" );
document.write( "M: slope = (2/1) ; intercept = 3-2*1 = 1; Equation y = 2x+1<BR>\n" );
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document.write( "The points (1,-1),(2,-3),(8,-15),(50-99),(and (1000-1999) all lie on line N.<BR>\n" );
document.write( "N: slope = (-2/1), intercept = -1-(-2)1 = 1; Equation y = -2x+1<BR>\n" );
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document.write( "a.form the equations of both the lines.<BR>\n" );
document.write( "done<BR>\n" );
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document.write( "b.what are the co-ordinates of the intersections of lines M and N <BR>\n" );
document.write( "2x+1 = -2x+1; 4x=0 x = 0; y = 2x+1 or y = 2*0+1=1: Ans (0,1)<BR>\n" );
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document.write( "c.write the co-ordinates of the intersections of lines M and N with the x-axis<BR>\n" );
document.write( "Let y= 0 then for M: x = -1/2, so intersection is (-1/2,0)<BR>\n" );
document.write( "Let y= 0, then for N: x = 1/1, so intersection (1/2,0)<BR>\n" );
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document.write( "d.write the co-ordinates of the intersection of lines M and N with the y-axis.<BR>\n" );
document.write( "Let x = 0 for M; y = 1, so intersection is (0,1)<BR>\n" );
document.write( "Let x = 0 for N: y = 1, so intersection is (0,1)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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