document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=710794>Question 710794</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how can you fill in a table in with y=x²-4<BR>\n" );
document.write( "and also how do you graph it<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #437194 by </B><A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><B>Edwin McCravy(20055)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><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=Edwin+McCravy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=437194\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "We start with this:\r\n" );
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document.write( " x   Substitute    work      y    point to plot (x,y)  \r\n" );
document.write( "-----------------------------------------------------\r\n" );
document.write( "-4   y=(-4)²-4  =  16-4  =  12        (-4,12)\r\n" );
document.write( "-3   y=(-3)²-4  =   9-4  =   5         (-3,5)\r\n" );
document.write( "-2   y=(-2)²-4  =   4-4  =   0         (-2,0)\r\n" );
document.write( "-1   y=(-1)²-4  =   1-4  =  -3        (-1,-3)\r\n" );
document.write( " 0    y=(0)²-4  =   0-4  =  -4         (0,-4)\r\n" );
document.write( " 1    y=(1)²-4  =   1-4  =  -3         (1,-3)\r\n" );
document.write( " 2    y=(2)²-4  =   4-4  =   0          (2,0)\r\n" );
document.write( " 3    y=(3)²-4  =   9-4  =   5          (3,5)\r\n" );
document.write( " 4    y=(4)²-4  =  16-4  =  12         (4,12)  \r\n" );
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document.write( "Now we plot all those points:\r\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28240%2C400%2C-6%2C6%2C-6%2C14%2C+graph%28240%2C400%2C-6%2C6%2C-6%2C14%29%2C%0D%0A%0D%0Acircle%28-4%2C12%2C.1%29%2Clocate%28-4%2C12%2C%22%28-4%2C12%29%22%29%2C%0D%0Acircle%28-3%2C5%2C.1%29%2Clocate%28-3%2C5%2C%22%28-3%2C5%29%22%29%2C%0D%0Acircle%28-2%2C0%2C.1%29%2Clocate%28-4.5%2C1%2C%22%28-2%2C0%29%22%29%2C%0D%0Acircle%28-1%2C-3%2C.1%29%2Clocate%28-4%2C-2.5%2C%22%28-1%2C-3%29%22%29%2C%0D%0Acircle%280%2C-4%2C.1%29%2Clocate%280%2C-4%2C%22%280%2C-4%29%22%29%2C%0D%0Acircle%281%2C-3%2C.1%29%2Clocate%281.5%2C-2.5%2C%22%281%2C-3%29%22%29%2C%0D%0Acircle%282%2C0%2C.1%29%2Clocate%282%2C1%2C%22%282%2C0%29%22%29%2C%0D%0Acircle%283%2C5%2C.1%29%2Clocate%283%2C5%2C%22%283%2C5%29%22%29%2C%0D%0Acircle%284%2C12%2C.1%29%2Clocate%284%2C12%2C%22%284%2C12%29%22%29+%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r\n" );
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document.write( "Now we draw a smooth u-shaped graph through those points:\r\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28240%2C400%2C-6%2C6%2C-6%2C14%2C+graph%28240%2C400%2C-6%2C6%2C-6%2C14%2Cx%5E2-4%29%2C%0D%0A%0D%0Acircle%28-4%2C12%2C.1%29%2Clocate%28-4%2C12%2C%22%28-4%2C12%29%22%29%2C%0D%0Acircle%28-3%2C5%2C.1%29%2Clocate%28-3%2C5%2C%22%28-3%2C5%29%22%29%2C%0D%0Acircle%28-2%2C0%2C.1%29%2Clocate%28-4.5%2C1%2C%22%28-2%2C0%29%22%29%2C%0D%0Acircle%28-1%2C-3%2C.1%29%2Clocate%28-4%2C-2.5%2C%22%28-1%2C-3%29%22%29%2C%0D%0Acircle%280%2C-4%2C.1%29%2Clocate%280%2C-4%2C%22%280%2C-4%29%22%29%2C%0D%0Acircle%281%2C-3%2C.1%29%2Clocate%281.5%2C-2.5%2C%22%281%2C-3%29%22%29%2C%0D%0Acircle%282%2C0%2C.1%29%2Clocate%282%2C1%2C%22%282%2C0%29%22%29%2C%0D%0Acircle%283%2C5%2C.1%29%2Clocate%283%2C5%2C%22%283%2C5%29%22%29%2C%0D%0Acircle%284%2C12%2C.1%29%2Clocate%284%2C12%2C%22%284%2C12%29%22%29++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r\n" );
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document.write( "That's it!\r\n" );
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document.write( "Edwin</PRE> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );