document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=163509>Question 163509</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. PLOT THE GRAPH OF THE EQUATIONS 3x - 8y = 5 and 4x - 2y = 11 AND INTERPRET THE RESULT.\r<BR>\n" );
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document.write( "2. PLOT THE GRAPH OF THE EQUATIONS 4x - 6y = 2 AND 2x - 3y = 1 INTERPRET THE RESULT.\r<BR>\n" );
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document.write( "3.  PLOT THE GRAPH OF THE EQUATIONS 10x - 4y = 3 AND 5x - 2y = 6 INTERPRET THE RESULT.\r<BR>\n" );
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document.write( "4.  SOLVE THE FOLLOWING QUESTIONS\r<BR>\n" );
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document.write( "a. JOE HAS A COLLECTION OF NICKELS AND DIMES THAT IS WORTH $5.65.  IF THE NUMBER OF DIMES WERE DOUBLED AND THE NUMBER OF NICKELS WERE INCREASED BY 8, THE VALUE OF THE COINS WOULD BE $10.45.  HOW MANY DIMES DOES HE HAVE?\r<BR>\n" );
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document.write( "b.  AN EXPRESS AND LOCAL TRAIN LEAVE GRAY'S LAKE AT 3 P.M. AND HEAD FOR CHICAGO 50 MILES AWAY. THE EXP0RESS TRAVELS TWICE AS FAST AS THE LOCAL, AND ARRIVES 1 HOUR AHEAD OF IT.  FIND THE SPEED OF EACH TRAIN.\r<BR>\n" );
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document.write( "c.  WALT MADE AN EXTRA $9000 LAST YEAR FROM A PART-TIME JOB.  HE INVESTED PART OF THE MONEY AT 9% AND THE REST 8%.  HE MADE A TOTAL OF $770 IN INTEREST.  HOW MUCH WAS INVESTED AT 8%? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #120488 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=120488\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x-8y=5<BR>\n" );
document.write( "-8y=-3x+5<BR>\n" );
document.write( "y=-3x/-8+5/-8<BR>\n" );
document.write( "y=3x/8-5/8 (red line).<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "4x-2y=11<BR>\n" );
document.write( "-2y=-4x+11<BR>\n" );
document.write( "y=-4x/-2+11/-2<BR>\n" );
document.write( "y=2x-11/2 (green line). <BR>\n" );
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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+10%2C+3x%2F8+-5%2F8%2C+2x+-11%2F2%29 ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+3x%2F8+-5%2F8%2C+2x+-11%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >(graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 3x/8 -5/8 and 2x -11/2). <BR>\n" );
document.write( "Solution (3,1/2)<BR>\n" );
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document.write( "4x-6y=2<BR>\n" );
document.write( "-6y=-4x+2<BR>\n" );
document.write( "y=-4x/-6+2/-6<BR>\n" );
document.write( "y=2x/3-1/3 (red line)<BR>\n" );
document.write( "----------------------- <BR>\n" );
document.write( "2x-3y=1<BR>\n" );
document.write( "-3y=-2x+1<BR>\n" );
document.write( "y=-2x/-3-1/3<BR>\n" );
document.write( "y=2x/3-1/3 (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+10%2C+2x%2F3+-1%2F3%2C+2x%2F3+-1%2F3%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+2x%2F3+-1%2F3%2C+2x%2F3+-1%2F3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 2x/3 -1/3 and 2x/3 +1/3). <BR>\n" );
document.write( "Duplicate lines therefore no unique solution for x & y.<BR>\n" );
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document.write( "That's how it is done.<BR>\n" );
document.write( "I'll leave the rest for you to practice with.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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