document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=840202>Question 840202</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a) Show that the point B (-3,-2) lies on the<BR>\n" );
document.write( "circle defined by x^2+y^2=13.\r<BR>\n" );
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document.write( "b) Find an equation for the radius from the <BR>\n" );
document.write( "origin O to point B.\r<BR>\n" );
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document.write( "c) Find an equation for the line that passes<BR>\n" );
document.write( "through B and is perpendicular to OB. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #506024 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=506024\">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;\"><font face = \"Tohoma\" size = 3 color = \"indigo\"><b> <BR>\n" );
document.write( "Hi,<BR>\n" );
document.write( "a) Show that the point B (-3,-2) lies on the circle defined by x^2+y^2=13. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9%2B4=13 ALIGN=MIDDLE  ALT=\"9%2B4=13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "b) Find an equation for the radius from the origin O to point B. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=%28-2-0%29%2F%28-3-0%29 ALIGN=MIDDLE  ALT=\"m=%28-2-0%29%2F%28-3-0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+%282%2F3%29x ALIGN=MIDDLE  ALT=\"y+=+%282%2F3%29x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "c) Find an equation for the line that passes through B and is perpendicular to OB.<BR>\n" );
document.write( "Tangent Line has slope: -x/y  0r m = -3/2<BR>\n" );
document.write( " y+2=(-3/2)(x+3),  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y+=+%28-3%2F2%29x+-+6.5 ALIGN=MIDDLE  ALT=\"+y+=+%28-3%2F2%29x+-+6.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C+++-6%2C+6%2C+-6%2C+6%2C+grid%281%29%2C+%0D%0Acircle%280%2C+0%2Csqrt%2813%29%29%2C%0D%0Acircle%28-3%2C+-2%2C.3%29%2C%0D%0Agraph%28+300%2C+300%2C+-6%2C+6%2C+-6%2C+6%2C0%2C+%282%2F3%29x%2C+%28-3%2F2%29x+-+6.5%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
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