document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=123244>Question 123244</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/020132458x/algebrahomeworkh>Algebra1</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Write and equation of the line described:<BR>\n" );
document.write( "Contains (4,9) and is perpendicular to the graph of y = 7x + 3/8. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #90421 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=90421\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write and equation of the line described:<BR>\n" );
document.write( "Contains (4,9) and is perpendicular to the graph of y = 7x + 3/8.<BR>\n" );
document.write( "------------------------------<BR>\n" );
document.write( "The given line has slope = 7<BR>\n" );
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document.write( "The line you want must have slope = -1/7<BR>\n" );
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document.write( "Equation form is y=mx+b and you know m,x and y; so slove for \"b\":<BR>\n" );
document.write( "9 = (-1/7)*4 +b<BR>\n" );
document.write( "9 = -4/7 + b<BR>\n" );
document.write( "b = 67/7<BR>\n" );
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document.write( "EQuATION:<BR>\n" );
document.write( "y = (-1/7)x + (67/7)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );