document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=468148>Question 468148</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the equation of the line passing through (-1,2) and perpendicular to y=3x=4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #321212 by </B><A HREF=/tutors/aboutme.mpl?userid=Gogonati><B>Gogonati(855)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Gogonati><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=Gogonati><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=321212\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> As we know two lines are perpendicular if and only if their slopes are negative \r<BR>\n" );
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document.write( "reciprocals of one another <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%5B1%5D=-1%2Fm%5B2%5D ALIGN=MIDDLE  ALT=\"m%5B1%5D=-1%2Fm%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%5B1%5D%2Am%5B2%5D=-1 ALIGN=MIDDLE  ALT=\"m%5B1%5D%2Am%5B2%5D=-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Since the equation of one line is y=3x-4, its slope is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%5B1%5D=3 ALIGN=MIDDLE  ALT=\"m%5B1%5D=3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The slope of the perpendicular line will be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2Am%5B2%5D=-1 ALIGN=MIDDLE  ALT=\"3%2Am%5B2%5D=-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%5B2%5D=-1%2F3 ALIGN=MIDDLE  ALT=\"m%5B2%5D=-1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now we write the equation of the line that passes through (-1, 2), and has the \r<BR>\n" );
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document.write( "slope <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m%5B2%5D=-1%2F3 ALIGN=MIDDLE  ALT=\"m%5B2%5D=-1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >: y-2=-1/3(x+1), converting it in the standard form we get:\r<BR>\n" );
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document.write( "3y-6=-x-1 <=> x+3y=5 or in slope-intercept form <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-%281%2F3%29x%2B5%2F3 ALIGN=MIDDLE  ALT=\"y=-%281%2F3%29x%2B5%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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