document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=86854>Question 86854</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the slope intercept form (y=mx+b) of the equation for the line that satisfy the following:<BR>\n" );
document.write( "passes through (5, -9) and is perpendicular to the line whose equation is y=1/7x +4<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 #62828 by </B><A HREF=/tutors/aboutme.mpl?userid=praseenakos@yahoo.com><B>praseenakos@yahoo.com(507)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=praseenakos@yahoo.com><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=praseenakos@yahoo.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=62828\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Question:\r<BR>\n" );
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document.write( "find the slope intercept form (y=mx+b) of the equation for the line that satisfy the following:<BR>\n" );
document.write( "passes through (5, -9) and is perpendicular to the line whose equation is y=1/7x +4\r<BR>\n" );
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document.write( "Answer:\r<BR>\n" );
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document.write( "Equation of the required equation is given by the formula, \r<BR>\n" );
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document.write( "(y - y1) = m ( x- x1)\r<BR>\n" );
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document.write( "Here (x1, y1) = (5, -9)\r<BR>\n" );
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document.write( "Required line is perpendicular to  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+%281%2F7%29x+%2B4 ALIGN=MIDDLE  ALT=\"+y+=+%281%2F7%29x+%2B4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Slope of this line is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F7 ALIGN=MIDDLE  ALT=\"1%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So slope of the required line is = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-%287%2F1%29 ALIGN=MIDDLE  ALT=\"+-%287%2F1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <BR>\n" );
document.write( "since these lines are perpendicular to each other, the product of their slopes  should be -1\r<BR>\n" );
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document.write( "==> slope of the required line = -7\r<BR>\n" );
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document.write( "So equation of the rquired line,\r<BR>\n" );
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document.write( "==> ( y - (-5) = -7 ( x - 5)\r<BR>\n" );
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document.write( "==>  y + 5 = -7x + 35\r<BR>\n" );
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document.write( "Subtract 5 from both sides.\r<BR>\n" );
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document.write( "==> y + 5 - 5  = -7x + 35 - 5 \r<BR>\n" );
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document.write( "==> y = -7x + 30\r<BR>\n" );
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document.write( "Which is the required equation.\r<BR>\n" );
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document.write( "Hope you found the explanation useful.\r<BR>\n" );
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document.write( "Warm Regards.\r<BR>\n" );
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document.write( "Praseena.\r<BR>\n" );
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