document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=66424>Question 66424</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the value of K for 2x+ky=5 if this <BR>\n" );
document.write( "equation is perpendicular to 3x+y=-2? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #47116 by </B><A HREF=/tutors/aboutme.mpl?userid=uma><B>uma(370)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=uma><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=47116\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x + ky = 5\r<BR>\n" );
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document.write( "This is the equation of a line.\r<BR>\n" );
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document.write( "Slope of this line = -2/k\r<BR>\n" );
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document.write( "The other line is given to be 3x + y = - 2\r<BR>\n" );
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document.write( "==> slope of this line = -3\r<BR>\n" );
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document.write( "As the lines are perpendicular, the product of their slopes = - 1\r<BR>\n" );
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document.write( "==> (-2/k)(-3) = - 1\r<BR>\n" );
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document.write( "==> 6/k = -1\r<BR>\n" );
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document.write( "==> 6 = - k\r<BR>\n" );
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document.write( "==> 6/-1 = -k/-1\r<BR>\n" );
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document.write( "==> - 6 = k\r<BR>\n" );
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document.write( "Thus k = - 6\r<BR>\n" );
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document.write( "Good Luck!!! </SPAN>\n" );
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