document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=781277>Question 781277</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which equation represents the line that passes through point (4,2) and is perpendicular to the line repressented by the equation y=-1/2x+3? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #475838 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=475838\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Which equation represents the line that passes through point (4,2) and is perpendicular to the line repressented by the equation y=-1/2x+3?<BR>\n" );
document.write( "***<BR>\n" );
document.write( "Equation of a line: y=mx+b, m=slope, b=y-intercept<BR>\n" );
document.write( "y=-1/2x+3<BR>\n" );
document.write( "slope of given line=-1/2<BR>\n" );
document.write( "slope of perpendicular line=2(negative reciprocal)<BR>\n" );
document.write( "Equation of perpendicular line:<BR>\n" );
document.write( "y=2x+b<BR>\n" );
document.write( "solve for b using coordinates of given point (4,2) on the line<BR>\n" );
document.write( "2=2*4+b<BR>\n" );
document.write( "b=-6<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "y=2x-6 </SPAN>\n" );
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