document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=502564>Question 502564</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do you write an equation of a line that passes through (1.4) and is perpendicular to the line y=-3x+1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #338893 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=338893\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Here are some examples:<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "Write an equation of the line that passes through the given point and satisfies the given condition.<BR>\n" );
document.write( "10. (-2, 3) ; parallel to y= 4x + 3<BR>\n" );
document.write( "slope m = 4<BR>\n" );
document.write( "The slope of lines parallel is the same, m= 4<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "Use y = mx + b and the point to find b:<BR>\n" );
document.write( "3 = -2*4 + b<BR>\n" );
document.write( "b = 11<BR>\n" );
document.write( "--> y = 4x + 11<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "12. (-1, -4) ; perpendicular to y= 2x + 5<BR>\n" );
document.write( "Slope = 2<BR>\n" );
document.write( "The slope of lines perpendicular is the negative reciprocal, = -1/2<BR>\n" );
document.write( "m = -1/2<BR>\n" );
document.write( "Do it like #10.<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Write an equation of the line that passes through the given points.<BR>\n" );
document.write( "14. (3,4) , (0,3)<BR>\n" );
document.write( "Use determinants:<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "|+x +y +1|<BR>\n" );
document.write( "|+3 +4 +1| = 0<BR>\n" );
document.write( "|+0 +3 +1|<BR>\n" );
document.write( "------<BR>\n" );
document.write( "x(4-3) - y(3-0) +(9-0) = 0<BR>\n" );
document.write( "x - 3y = -9<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "16. (-5,-4) , (0,11)<BR>\n" );
document.write( "Without determinants:<BR>\n" );
document.write( "Find the slope, m = diffy/diffx<BR>\n" );
document.write( "m = (-4-11)/(-5-0) = 3<BR>\n" );
document.write( "Use the slope and either point, and do like #10<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );