document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=288598>Question 288598</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given that the graph of the equation y = 2x+7/square root of 9-4x²,intersects the x axis once, how do I calculate the coordinates of this point of intersection<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 #209173 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=209173\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Intersecting the x axis means y is zero<BR>\n" );
document.write( "set your equation to y=0 and solve for x.<BR>\n" );
document.write( "Is this the problem?<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%282x%2B7%29%2F%28sqrt%289-4x%5E2%29%29 ALIGN=MIDDLE  ALT=\"y=%282x%2B7%29%2F%28sqrt%289-4x%5E2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x=-7/2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0+=+%282+x%29%2Fsqrt%289-4+x%5E2%29%2B7%2Fsqrt%289-4+x%5E2%29 ALIGN=MIDDLE  ALT=\"0+=+%282+x%29%2Fsqrt%289-4+x%5E2%29%2B7%2Fsqrt%289-4+x%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2x+7=0<BR>\n" );
document.write( "2x=-7<BR>\n" );
document.write( "x=-7/2 </SPAN>\n" );
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