document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=136932>Question 136932</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve quadratic equation:<BR>\n" );
document.write( "x^2+3x+5=0\r<BR>\n" );
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document.write( "a. -3 plus minus i square root 29 over 2<BR>\n" );
document.write( "b. 3 plus minus square root 7 over 2<BR>\n" );
document.write( "c. 5 plus minus square root 13 over 2<BR>\n" );
document.write( "d. -3 plus minus i square root 11 over 2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #100326 by </B><A HREF=/tutors/aboutme.mpl?userid=MORUPHOSUOLALE><B>MORUPHOSUOLALE(24)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MORUPHOSUOLALE><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=100326\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since this cannot be slove by factorization.<BR>\n" );
document.write( "I will suggest using completing the square method or the Almight Fomulae.\r<BR>\n" );
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document.write( "Using Almighty fomulae- <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "In your equation a= 1 , b=3 and c=5\r<BR>\n" );
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document.write( "Therefore- <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-3+%2B-+sqrt%28+3%5E2-4%2A1%2A5+%29%29%2F%282%2A1%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-3+%2B-+sqrt%28+3%5E2-4%2A1%2A5+%29%29%2F%282%2A1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "              <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-3+%2B-+sqrt%28+9-20+%29%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-3+%2B-+sqrt%28+9-20+%29%29%2F%282%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=x+=+%28-3+%2B-+sqrt%28+-11+%29%29%2F%282%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-3+%2B-+sqrt%28+-11+%29%29%2F%282%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "However, since the negative 11 is in the square root.This tells us it's a complex number.<BR>\n" );
document.write( "We have to apply the complex numbers theorem that states that i^2= -1<BR>\n" );
document.write( "Therefore i=sqr (-1)<BR>\n" );
document.write( "This tells us that option D is your correct answer.\r<BR>\n" );
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document.write( "Hope it helps u.\r<BR>\n" );
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document.write( "Moruph<BR>\n" );
document.write( "mosuolal@uncc.edu </SPAN>\n" );
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