document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=85864>Question 85864</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Help! I am stuck on solving a radical equation. <BR>\n" );
document.write( "The original problem is this: sq.rt.2y+7 plus 4 = y. <BR>\n" );
document.write( "I know I have to isolate the radical to one side, then square both sides of the equation. Getting that far, I have: (sq.rt.2y+7)= (y-4). <BR>\n" );
document.write( "After that I am completely stuck! Please help! \r<BR>\n" );
document.write( "\n" );
document.write( "Thank you!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #62054 by </B><A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><B>tutorcecilia(2152)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><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=tutorcecilia><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=62054\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sqrt%282y%2B7%29+%2B+4%29 ALIGN=MIDDLE  ALT=\"%28sqrt%282y%2B7%29+%2B+4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = y <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sqrt%282y%2B7%29+%2B+4-4%29 ALIGN=MIDDLE  ALT=\"%28sqrt%282y%2B7%29+%2B+4-4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = -4 + y <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sqrt%282y%2B7%29+%29 ALIGN=MIDDLE  ALT=\"%28sqrt%282y%2B7%29+%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = -4 + y <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28sqrt%282y%2B7%29%29%5E2+%29 ALIGN=MIDDLE  ALT=\"%28%28sqrt%282y%2B7%29%29%5E2+%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28-4+%2B+y%29%5E2%29 ALIGN=MIDDLE  ALT=\"%28%28-4+%2B+y%29%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  [square both sides]<BR>\n" );
document.write( "2y+7= = (-4 + y ) (-4 + y)[use the FOIL method to multiply]<BR>\n" );
document.write( "2y+7=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2816-8y%2By%5E2%29%29 ALIGN=MIDDLE  ALT=\"%2816-8y%2By%5E2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > [set the equation equal to zero]<BR>\n" );
document.write( "2y-2y+7-7=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2816-7-8y-2y%2By%5E2%29%29 ALIGN=MIDDLE  ALT=\"%2816-7-8y-2y%2By%5E2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "0=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%289-10y%2By%5E2%29%29 ALIGN=MIDDLE  ALT=\"%289-10y%2By%5E2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > [re-arrange the terms]<BR>\n" );
document.write( "0=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y%5E2-10y%2B9%29%29 ALIGN=MIDDLE  ALT=\"%28y%5E2-10y%2B9%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > [factor}<BR>\n" );
document.write( "0=(y-9)(y-1) [set each factor equal to zero and solve for the x-term]<BR>\n" );
document.write( ".<BR>\n" );
document.write( "y-9=0<BR>\n" );
document.write( "y=9<BR>\n" );
document.write( "and<BR>\n" );
document.write( "y-1=0<BR>\n" );
document.write( "y=1\r<BR>\n" );
document.write( "\n" );
document.write( ".<BR>\n" );
document.write( "check by plugging either value of x back into the original equation and solve.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );