document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=71209>Question 71209</A>: <I><SPAN STYLE=\"word-break: break-all;\"> given the equatoin y=x\r<BR>\n" );
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document.write( "a. find the lsope of a line parallel<BR>\n" );
document.write( "b. find the slop of a line perpendicular<BR>\n" );
document.write( "c. graph a perpendicular line that goes through the point (-2,-3) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #50944 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=50944\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=x ALIGN=MIDDLE  ALT=\"y=x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "When in the form <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=mx+%2B+b ALIGN=MIDDLE  ALT=\"y=mx+%2B+b\"   DISABLED_style= \"max-width:90%; height:auto;\" >, m is the slope<BR>\n" );
document.write( "For <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=x ALIGN=MIDDLE  ALT=\"y=x\"   DISABLED_style= \"max-width:90%; height:auto;\" >, b = 0, and m = 1<BR>\n" );
document.write( "a) A parallel line would have the same slope<BR>\n" );
document.write( "as the equation, m=1<BR>\n" );
document.write( "b) The slope of a perrendicular line has slope= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-%281%2Fm%29 ALIGN=MIDDLE  ALT=\"-%281%2Fm%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-%281%2F1%29+=+-1 ALIGN=MIDDLE  ALT=\"-%281%2F1%29+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "c) By the point-slope formula,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y+-+%28-3%29%29+%2F+%28x+-+%28-2%29%29+=+-1 ALIGN=MIDDLE  ALT=\"%28y+-+%28-3%29%29+%2F+%28x+-+%28-2%29%29+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y%2B3%29+%2F+%28x%2B2%29+=+-1 ALIGN=MIDDLE  ALT=\"%28y%2B3%29+%2F+%28x%2B2%29+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+%2B+3+=+-x+-+2 ALIGN=MIDDLE  ALT=\"y+%2B+3+=+-x+-+2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+-x+-5 ALIGN=MIDDLE  ALT=\"y+=+-x+-5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "check this<BR>\n" );
document.write( "The slope is -1, as needed. does it go through (-2,-3)?<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-3+=+-%28-2%29+-+5 ALIGN=MIDDLE  ALT=\"-3+=+-%28-2%29+-+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-3+=+2+-+5 ALIGN=MIDDLE  ALT=\"-3+=+2+-+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-3+=+-3 ALIGN=MIDDLE  ALT=\"-3+=+-3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK<BR>\n" );
document.write( "Pick any value for x, then find y. Now<BR>\n" );
document.write( "you have 2 points and can graph it by hand or computer </SPAN>\n" );
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