document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=88867>Question 88867</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am not sure how to graph this problem\r<BR>\n" );
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document.write( "y=-5x-6 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #64559 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=64559\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <TABLE  BORDER=1>\n" );
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document.write( " <TR><TD  ALIGN=MIDDLE>Solved by <A  rel=nofollow HREF=http://wiki.algebra.com/index.php/Tutoring_-_pluggable_solvers>pluggable</A> solver: <A  rel=nofollow HREF=graphing_linear_equations.solver>Graphing Linear Equations</A></TD></TR>\n" );
document.write( "<TR><TD  ALIGN=LEFT>In order to graph <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-5%2Ax-6 ALIGN=MIDDLE  ALT=\"y=-5%2Ax-6\"   DISABLED_style= \"max-width:90%; height:auto;\" > we only need to plug in two points to draw the line<BR>\n" );
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document.write( "  So lets plug in some points<BR>\n" );
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document.write( "  Plug in x=-3<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-5%2A%28-3%29-6 ALIGN=MIDDLE  ALT=\"y=-5%2A%28-3%29-6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=15-6 ALIGN=MIDDLE  ALT=\"y=15-6\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=9 ALIGN=MIDDLE  ALT=\"y=9\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add<BR>\n" );
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document.write( "  So here's one point (-3,9)<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28+600%2C+600%2C+-13%2C8%2C+-6%2C+19%2C%0D%0A++++grid%28+1+%29%2C%0D%0A++++blue%28+circle%28+-3%2C9%2C+.15%2C+1.5+%29%29%2C%0D%0A++++blue%28+circle%28+-3%2C9%2C+.1%2C+1.5+%29+%29%0D%0A++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  Now lets find another point <BR>\n" );
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document.write( "  Plug in x=-2<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-5%2A%28-2%29-6 ALIGN=MIDDLE  ALT=\"y=-5%2A%28-2%29-6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=10-6 ALIGN=MIDDLE  ALT=\"y=10-6\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=4 ALIGN=MIDDLE  ALT=\"y=4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add<BR>\n" );
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document.write( "  So here's another point (-2,4). Add this to our graph<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28+600%2C+600%2C+-13%2C8%2C+-6%2C+19%2C%0D%0A++++grid%28+1+%29%2C%0D%0A++++blue%28+circle%28+-2%2C4%2C+.15%2C+1.5+%29%29%2C%0D%0A++++blue%28+circle%28+-2%2C4%2C+.1%2C+1.5+%29+%29%2C%0D%0A++++blue%28+circle%28+-3%2C9%2C+.15%2C+1.5+%29%29%2C%0D%0A++++blue%28+circle%28+-3%2C9%2C+.1%2C+1.5+%29+%29%0D%0A++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  Now draw a line through these points<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28+600%2C+600%2C+-13%2C8%2C+-6%2C+19%2C%0D%0A++++grid%28+1+%29%2C%0D%0A++++line%28-13-10%2C-5%2A%28-13-10%29%2B-6%2C8%2B10%2C-5%2A%288%2B10%29%2B-6%29%2C%0D%0A++++blue%28+circle%28+-2%2C4%2C+.15%2C+1.5+%29%29%2C%0D%0A++++blue%28+circle%28+-2%2C4%2C+.1%2C+1.5+%29+%29%2C%0D%0A++++blue%28+circle%28+-3%2C9%2C+.15%2C+1.5+%29%29%2C%0D%0A++++blue%28+circle%28+-3%2C9%2C+.1%2C+1.5+%29+%29%0D%0A++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > So this is the graph of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-5%2Ax-6 ALIGN=MIDDLE  ALT=\"y=-5%2Ax-6\"   DISABLED_style= \"max-width:90%; height:auto;\" > through the points (-3,9) and (-2,4)<BR>\n" );
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document.write( "  So from the graph we can see that the slope is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5%2F1 ALIGN=MIDDLE  ALT=\"-5%2F1\"   DISABLED_style= \"max-width:90%; height:auto;\" > (which tells us that in order to go from point to point we have to start at one point and go  down -5 units and to the right 1 units to get to the next point), the y-intercept is (0,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-6 ALIGN=MIDDLE  ALT=\"-6\"   DISABLED_style= \"max-width:90%; height:auto;\" >)and the x-intercept is (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1.2 ALIGN=MIDDLE  ALT=\"-1.2\"   DISABLED_style= \"max-width:90%; height:auto;\" >,0)  ,or (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-6%2F5 ALIGN=MIDDLE  ALT=\"-6%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >,0) <BR>\n" );
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document.write( "  We could graph this equation another way. Since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=-6 ALIGN=MIDDLE  ALT=\"b=-6\"   DISABLED_style= \"max-width:90%; height:auto;\" > this tells us that the y-intercept (the point where the graph intersects with the y-axis) is (0,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-6 ALIGN=MIDDLE  ALT=\"-6\"   DISABLED_style= \"max-width:90%; height:auto;\" >). <BR>\n" );
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document.write( "  So we have one point (0,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-6 ALIGN=MIDDLE  ALT=\"-6\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28+600%2C+600%2C+-10%2C11%2C+-21%2C+4%2C%0D%0A++++grid%28+1+%29%2C%0D%0A++%0D%0A++++blue%28+circle%28+0%2C-6%2C+0.14%29%29%2C%0D%0A++++blue%28+circle%28+0%2C-6%2C+0.14-0.05%29+%29%0D%0A++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  Now since the slope is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5%2F1 ALIGN=MIDDLE  ALT=\"-5%2F1\"   DISABLED_style= \"max-width:90%; height:auto;\" >, this means that in order to go from point to point we can use the slope to do so. So starting at (0,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-6 ALIGN=MIDDLE  ALT=\"-6\"   DISABLED_style= \"max-width:90%; height:auto;\" >), we can go down 5 units <BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28++600%2C+600%2C+-10%2C11%2C+-21%2C+4%2C%0D%0A++++grid%281%29%2C%0D%0A++++blue%28+circle%28+0%2C-6%2C+0.14%29%29%2C%0D%0A++++blue%28+circle%28+0%2C-6%2C+0.14-0.05%29+%29%0D%0A++blue%28+arc%28+0%2C+-6%2B%28-5%2F2%29%2C+2%2C+-5%2C+90%2C+270+%29+%29%0D%0A++%0D%0A++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "  and to the right 1 units to get to our next point<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28++600%2C+600%2C+-10%2C11%2C+-21%2C+4%2C%0D%0A++++grid%281%29%2C%0D%0A++++blue%28+circle%28+1%2C-11%2C+0.14%29%29%2C%0D%0A++++blue%28+circle%28+1%2C-11%2C+0.14-0.05+%29+%29%2C%0D%0A++++blue%28+circle%28+0%2C-6%2C+0.14%29%29%2C%0D%0A++++blue%28+circle%28+0%2C-6%2C+0.14-0.05%29+%29%2C%0D%0A++blue%28+arc%28+0%2C+-6%2B%28-5%2F2%29%2C+2%2C+-5%2C+90%2C+270+%29+%29%2C%0D%0A++blue%28+arc%28+%281%2F2%29%2C+-11%2C+1%2C+2%2C+0%2C+180+%29+%29%0D%0A++%0D%0A++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "  Now draw a line through those points to graph <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-5%2Ax-6 ALIGN=MIDDLE  ALT=\"y=-5%2Ax-6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28+600%2C+600%2C+-10%2C11%2C+-21%2C+4%2C%0D%0A++++grid%28+1+%29%2C%0D%0A++++line%28-10-10%2C-5%2A%28-10-10%29%2B-6%2C11%2B10%2C-5%2A%2811%2B10%29%2B-6%29%2C%0D%0A++++blue%28+circle%28+1%2C-11%2C+0.14%29%29%2C%0D%0A++++blue%28+circle%28+1%2C-11%2C+0.14-0.05+%29+%29%2C%0D%0A++++blue%28+circle%28+0%2C-6%2C+0.14%29%29%2C%0D%0A++++blue%28+circle%28+0%2C-6%2C+0.14-0.05%29+%29%2C%0D%0A++blue%28+arc%28+0%2C+-6%2B%28-5%2F2%29%2C+2%2C+-5%2C+90%2C+270+%29+%29%2C%0D%0A++blue%28+arc%28+%281%2F2%29%2C+-11%2C+1%2C+2%2C+0%2C+180+%29+%29%0D%0A++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > So this is the graph of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-5%2Ax-6 ALIGN=MIDDLE  ALT=\"y=-5%2Ax-6\"   DISABLED_style= \"max-width:90%; height:auto;\" > through the points (0,-6) and (1,-11)<BR>\n" );
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