document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=98517>Question 98517</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i need help with this... Solve simultaneously:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2log+y+=+log+2+%2B+log+x ALIGN=MIDDLE  ALT=\"2log+y+=+log+2+%2B+log+x\"   DISABLED_style= \"max-width:90%; height:auto;\" > , <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%5Ey=4x ALIGN=MIDDLE  ALT=\"2%5Ey=4x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "what ive got so far is : <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%5E2=log+2x ALIGN=MIDDLE  ALT=\"y%5E2=log+2x\"   DISABLED_style= \"max-width:90%; height:auto;\" > ,  and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=log+%28base+2%29+4x ALIGN=MIDDLE  ALT=\"y=log+%28base+2%29+4x\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #71677 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=71677\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2log y = log 2 + log x , 2^y=4x\r<BR>\n" );
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document.write( "log(y^2/x) = log(2)<BR>\n" );
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document.write( "1st: y^2 = 2x<BR>\n" );
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document.write( "2nd: 2^y = 4x<BR>\n" );
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document.write( "Multiply 1st by 2 to get:<BR>\n" );
document.write( "2y^2=4x<BR>\n" );
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document.write( "Therefore 2y^2 = 2^y<BR>\n" );
document.write( "y^2 = 2^(y-1)<BR>\n" );
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document.write( "Solution: y = 1<BR>\n" );
document.write( "Substitute into 2logy=log2+logx<BR>\n" );
document.write( "0 = log2 +logx<BR>\n" );
document.write( "0=log(2x)<BR>\n" );
document.write( "2x = 1<BR>\n" );
document.write( "x = 1/2<BR>\n" );
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document.write( "Check x=1/2 and y=1 in 2^y=4x<BR>\n" );
document.write( "2^1 = 4(1/2)<BR>\n" );
document.write( "2 = 2<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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