document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=98404>Question 98404</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Consider the line y= -7x+8. \r<BR>\n" );
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document.write( "Find the equation of the line that is parallel to this line and passes through the point(5,9).<BR>\n" );
document.write( "Find the equation of the line that is perpendicular to this line and passes through the point(5.9) .\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #71573 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=71573\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Y=-7X+8 (RED LINE) HAS A SLOPE OF -7.<BR>\n" );
document.write( "THUS A PARALLEL LINE THROUGH (5,9) WITH A SLOPE OF -7 IS:<BR>\n" );
document.write( "9=-7*5+b<BR>\n" );
document.write( "9=-35+b<BR>\n" );
document.write( "b=9+35<BR>\n" );
document.write( "b=44 FOR THE Y INTERCEPT.<BR>\n" );
document.write( "THUS THIS LINE EQUATION IS:<BR>\n" );
document.write( "Y=-7X+44 (GREEN LINE) <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+50%2C+y+=+-7x+%2B8%2C+y+=+-7x+%2B44%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+50%2C+y+=+-7x+%2B8%2C+y+=+-7x+%2B44%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 5, y from -10 to 50, of TWO functions y = -7x +8 and y = -7x +44). <BR>\n" );
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document.write( "A PERPENDICULAR LINE WILL HAVE A SLOPE OF 1/7 (THE NEGATIVE RECIPRICAL OF -7)<BR>\n" );
document.write( "9=5/7+b<BR>\n" );
document.write( "9-5/7=b<BR>\n" );
document.write( "b=(63-5)/7<BR>\n" );
document.write( "b=58/7 FOR THIS Y INTERCEPT.<BR>\n" );
document.write( "Y=X/7+58/7 IS THIS LINE EQUATION (GREEN LINE)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-10%2C+10%2C+-10%2C+10%2C+y+=+-7x+%2B8%2C+y+=+x%2F7+%2B58%2F7%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-10%2C+10%2C+-10%2C+10%2C+y+=+-7x+%2B8%2C+y+=+x%2F7+%2B58%2F7%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -10 to 10, y from -10 to 10, of TWO functions y = -7x +8 and y = x/7 +58/7).   </SPAN>\n" );
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