document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=732125>Question 732125</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Help??? Please <BR>\n" );
document.write( "What is the distance between the points (3, 8) and (&#8722;9, &#8722;8)?<BR>\n" );
document.write( "I did -9-3& -8-8 and I got 6 for the 1st one than i square it and i got -36 than for the 2nd one I got 0 and i add -36+0=-36 but i did not understand the rest .\r<BR>\n" );
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document.write( "What is the distance between the points (7, –6) and (–5, 3)?\r<BR>\n" );
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document.write( "What is the distance between the points (–4, –5) and (5, –1)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #447553 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=447553\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> All three problems use the distance formula and you can use the solver at the link below to help practice with it (it will show you step by step how to solve distance formula problems)\r<BR>\n" );
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document.write( "<a  rel=nofollow HREF=\"http://www.algebra.com/algebra/homework/Length-and-distance/distance-formula.solver\">http://www.algebra.com/algebra/homework/Length-and-distance/distance-formula.solver</a>\r<BR>\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=distance_formula.solver>Distance Formula</A></TD></TR>\n" );
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document.write( "  The first point is (x1,y1). The second point is (x2,y2)<BR>\n" );
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document.write( "  Since the first point is (3, 8), we can say (x1, y1) = (3, 8)<BR>\n" );
document.write( "  So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B1%5D+=+3 ALIGN=MIDDLE  ALT=\"x%5B1%5D+=+3\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5B1%5D+=+8 ALIGN=MIDDLE  ALT=\"y%5B1%5D+=+8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  Since the second point is (-9, -8), we can also say (x2, y2) = (-9, -8)<BR>\n" );
document.write( "  So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B2%5D+=+-9 ALIGN=MIDDLE  ALT=\"x%5B2%5D+=+-9\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5B2%5D+=+-8 ALIGN=MIDDLE  ALT=\"y%5B2%5D+=+-8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  Put this all together to get:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B1%5D+=+3 ALIGN=MIDDLE  ALT=\"x%5B1%5D+=+3\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5B1%5D+=+8 ALIGN=MIDDLE  ALT=\"y%5B1%5D+=+8\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B2%5D+=+-9 ALIGN=MIDDLE  ALT=\"x%5B2%5D+=+-9\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5B2%5D+=+-8 ALIGN=MIDDLE  ALT=\"y%5B2%5D+=+-8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  Now use the distance formula to find the distance between the two points (3, 8) and (-9, -8)<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+sqrt%28%28x%5B1%5D-x%5B2%5D%29%5E2+%2B+%28y%5B1%5D+-+y%5B2%5D%29%5E2%29 ALIGN=MIDDLE  ALT=\"d+=+sqrt%28%28x%5B1%5D-x%5B2%5D%29%5E2+%2B+%28y%5B1%5D+-+y%5B2%5D%29%5E2%29\"   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=d+=+sqrt%28%283+-+%28-9%29%29%5E2+%2B+%288+-+%28-8%29%29%5E2%29 ALIGN=MIDDLE  ALT=\"d+=+sqrt%28%283+-+%28-9%29%29%5E2+%2B+%288+-+%28-8%29%29%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Plug in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B1%5D+=+3 ALIGN=MIDDLE  ALT=\"x%5B1%5D+=+3\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5B1%5D+=+8 ALIGN=MIDDLE  ALT=\"y%5B1%5D+=+8\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B2%5D+=+-9 ALIGN=MIDDLE  ALT=\"x%5B2%5D+=+-9\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5B2%5D+=+-8 ALIGN=MIDDLE  ALT=\"y%5B2%5D+=+-8\"   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=d+=+sqrt%28%283+%2B+9%29%5E2+%2B+%288+%2B+8%29%5E2%29 ALIGN=MIDDLE  ALT=\"d+=+sqrt%28%283+%2B+9%29%5E2+%2B+%288+%2B+8%29%5E2%29\"   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=d+=+sqrt%28%2812%29%5E2+%2B+%2816%29%5E2%29 ALIGN=MIDDLE  ALT=\"d+=+sqrt%28%2812%29%5E2+%2B+%2816%29%5E2%29\"   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=d+=+sqrt%28144+%2B+256%29 ALIGN=MIDDLE  ALT=\"d+=+sqrt%28144+%2B+256%29\"   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=d+=+sqrt%28400%29 ALIGN=MIDDLE  ALT=\"d+=+sqrt%28400%29\"   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=d+=+20 ALIGN=MIDDLE  ALT=\"d+=+20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "  Answer:<BR>\n" );
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document.write( "  The distance between the two points (3, 8) and (-9, -8) is exactly <font color=\"red\">20 units</font><BR>\n" );
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document.write( "Again you can use this solver \r<BR>\n" );
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document.write( "<a  rel=nofollow HREF=\"http://www.algebra.com/algebra/homework/Length-and-distance/distance-formula.solver\">http://www.algebra.com/algebra/homework/Length-and-distance/distance-formula.solver</a>\r<BR>\n" );
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document.write( "to help practice with the distance formula\r<BR>\n" );
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document.write( "Note: to save space, I only did the first problem. Let me know if you need me to do the other problems or if the solver I gave you is enough. Thanks. </SPAN>\n" );
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