document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1097148>Question 1097148</A>: <I><SPAN STYLE=\"word-break: break-all;\"> my midterms is today and i have a study guide but i'm struggling at the slope problems especially the graphing where would i gonna put the numbers from the graph. thanks<BR>\n" );
document.write( "Write an equation of the lines described in problems 39 through 41.\r<BR>\n" );
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document.write( "39. with undefined slope, through (-1/8,5)<BR>\n" );
document.write( "40. Through (-1,4), parallael to the y-axis<BR>\n" );
document.write( "41. perpendicular to y=7, through (9,-7)<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 #711561 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=711561\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write an equation of the lines described in problems 39 through 41.\r<BR>\n" );
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document.write( "39. with undefined slope, through (-1/8,5)<BR>\n" );
document.write( "Undefined slope ---> parallel to the y-axis, often called vertical.<BR>\n" );
document.write( "That means x is constant, for all values of y.<BR>\n" );
document.write( "--> x = -1/8<BR>\n" );
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document.write( "40. Through (-1,4), parallel to the y-axis<BR>\n" );
document.write( "Same as above.<BR>\n" );
document.write( "x = -1<BR>\n" );
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document.write( "41. perpendicular to y=7, through (9,-7)<BR>\n" );
document.write( "y = 7 is parallel to the x-axis.  y=7 for all values of x.<BR>\n" );
document.write( "Perpendicular gives parallel to the y-axis, same as the 1st 2<BR>\n" );
document.write( "--> x = 9\r<BR>\n" );
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