document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=291381>Question 291381</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the vertex for the graph of the quadratic function<BR>\n" );
document.write( "(x)= 5x squared - 38x + 21 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #210727 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=210727\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the vertex for the graph of the quadratic function<BR>\n" );
document.write( "f(x)= 5x squared - 38x + 21<BR>\n" );
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document.write( "Vertex occurs where x = -b/2a = 38/(10) = 19/5<BR>\n" );
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document.write( "f(19/5) = -51.2 or -256/5<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C300%2C-20%2C20%2C-70%2C70%2C5x%5E2-38x%2B21%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C300%2C-20%2C20%2C-70%2C70%2C5x%5E2-38x%2B21%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );