document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1040546>Question 1040546</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm having some trouble with this problem and could use your help!\r<BR>\n" );
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document.write( "Points (–1, 0) and (–9, –8) are endpoints of the diameter of a circle.<BR>\n" );
document.write( "(a) What is the length of the diameter? <BR>\n" );
document.write( "(b) What is the center point C of the circle?<BR>\n" );
document.write( "(c) Given the point C you found in part (b), state the point symmetric to C about the x-axis. \r<BR>\n" );
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document.write( "am I using the distance formula: sqrt((x2-x1)^2 + (y2-y1)^2)\r<BR>\n" );
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document.write( "any help or guidance on this would be amazing, thank you!<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 #655382 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39630)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=655382\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Question part (c) does not mean anything.  Do you want the equation of the circle instead?\r<BR>\n" );
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document.write( "(a):\r<BR>\n" );
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document.write( "Distance Formula;\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%28%28-1-%28-9%29%29%5E2%2B%280-%28-8%29%29%5E2%29 ALIGN=MIDDLE  ALT=\"sqrt%28%28-1-%28-9%29%29%5E2%2B%280-%28-8%29%29%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "(b):\r<BR>\n" );
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document.write( "Midpoint Formula;\r<BR>\n" );
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document.write( "If midpoint is the ordered pair,  (h,k), then <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=%28-1-9%29%2F2 ALIGN=MIDDLE  ALT=\"h=%28-1-9%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=%280-8%29%2F2 ALIGN=MIDDLE  ALT=\"k=%280-8%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "(c)\r<BR>\n" );
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document.write( "Finish those computations.  The distance will give you the DIAMETER, which is twice the radius.  The midpoint in (b)  is the center, indicated as  (h,k).   If using r as the radius,  and if you want the equation for the circle, the standard form would be of a format   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2 ALIGN=MIDDLE  ALT=\"%28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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