document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=995643>Question 995643</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the distance between the pair of parallel lines.<BR>\n" );
document.write( "y= 4x + 4<BR>\n" );
document.write( "y= 4x - 4\r<BR>\n" );
document.write( "\n" );
document.write( "Answer options: a)2.01 b)2.2 c)1.94 d)2.37\r<BR>\n" );
document.write( "\n" );
document.write( "This was from a recent math test I took and I can't figure out how to solve. I have a chapter test coming up and want to prepare. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #614343 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=614343\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Try to think of a strategy.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "First equation has y-intercept at 4, and second equation has y-intercept at -4.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "A line perpendicular to both lines will have a segment which is the distance between the two lines.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Line perpendicular to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=4x%2B4 ALIGN=MIDDLE  ALT=\"y=4x%2B4\"   DISABLED_style= \"max-width:90%; height:auto;\" > passing through  (0,4) will be  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-%281%2F4%29%2Bb ALIGN=MIDDLE  ALT=\"y=-%281%2F4%29%2Bb\"   DISABLED_style= \"max-width:90%; height:auto;\" > and you can find this b;\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%2B%281%2F4%29x=b ALIGN=MIDDLE  ALT=\"y%2B%281%2F4%29x=b\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=y%2B%281%2F4%29x ALIGN=MIDDLE  ALT=\"b=y%2B%281%2F4%29x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=4%2B%281%2F4%29%2A0 ALIGN=MIDDLE  ALT=\"b=4%2B%281%2F4%29%2A0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=4 ALIGN=MIDDLE  ALT=\"b=4\"   DISABLED_style= \"max-width:90%; height:auto;\" > which you might have figured without calculation.<BR>\n" );
document.write( "This perpendicular line's equation is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-%281%2F4%29x%2B4 ALIGN=MIDDLE  ALT=\"y=-%281%2F4%29x%2B4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Find the point of intersection of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-%281%2F4%29x%2B4 ALIGN=MIDDLE  ALT=\"y=-%281%2F4%29x%2B4\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=4x-4 ALIGN=MIDDLE  ALT=\"y=4x-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "--more later, maybe--- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );