document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=692862>Question 692862</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you write an equation of the line that passes through the point (4, 7) and<BR>\n" );
document.write( "is perpendicular to the line y = 0.5x – 1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #427140 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=427140\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> perpendicular slope:  2\r<BR>\n" );
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document.write( "y = mx + b\r<BR>\n" );
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document.write( "y = 2x + b\r<BR>\n" );
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document.write( "7 = 2(4) + b\r<BR>\n" );
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document.write( "7 = 8 + b\r<BR>\n" );
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document.write( "7 - 8 = b\r<BR>\n" );
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document.write( "-1 = b\r<BR>\n" );
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document.write( "b = -1\r<BR>\n" );
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document.write( "m = 2, b = -1\r<BR>\n" );
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document.write( "Answer: y = 2x - 1\r<BR>\n" );
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document.write( "Thanks,\r<BR>\n" );
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document.write( "Jim\r<BR>\n" );
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