document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=168484>Question 168484</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Using the point-slope form, how do you find the equation of a line that is perpendicular to the following equation: y = x/4 + 15. The perpendicular passes through points (-3,7) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124172 by </B><A HREF=/tutors/aboutme.mpl?userid=MRperkins><B>MRperkins(300)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MRperkins><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=MRperkins><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=124172\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given the point slope formula: y-y1=m(x–x1)<BR>\n" );
document.write( "and the definition of perpendicular lines:  The slopes of two perpendicular lines are opposite inverses. (example: 1/2 and -2/1; -3/2 and 2/3...)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "So we know that the slope of the new line is -4.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y-7=-4%28x-%28-3%29%29 ALIGN=MIDDLE  ALT=\"y-7=-4%28x-%28-3%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y-7=-4%28x%2B3%29 ALIGN=MIDDLE  ALT=\"y-7=-4%28x%2B3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y-7=-4x-12 ALIGN=MIDDLE  ALT=\"y-7=-4x-12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-4x-5 ALIGN=MIDDLE  ALT=\"y=-4x-5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "I hope this helps!<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Private tutoring is available.  Click on my name to go to my website or email me at justin.sheppard.tech@hotmail.com for more information.  If you have any other questions you can direct them to me personally and I will answer them for you.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );