document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=553590>Question 553590</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello what is the vertex of this quadratic and can you show me the steps of how you got this:\r<BR>\n" );
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document.write( "f(x)= -3/10x^2+9/2x-7/6\r<BR>\n" );
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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 #360951 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=360951\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> what is the vertex of this quadratic and can you show me the steps of how you got this: <BR>\n" );
document.write( "f(x)= (-3/10)x^2+(9/2)x-(7/6)<BR>\n" );
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document.write( "vertex occurs at x = -b/(2a) <BR>\n" );
document.write( "= (-9/2)/(2(-3/10)) <BR>\n" );
document.write( "= (-9/2)/(-3/5)<BR>\n" );
document.write( "= (-45/-6)<BR>\n" );
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document.write( "= 15/2<BR>\n" );
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document.write( "= 7.5<BR>\n" );
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document.write( "f(7.5) = (-3/10)(7.5)^2+(9/2)(7.5)-(7/6) = 15.71<BR>\n" );
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document.write( "Vertex: (7.5 , 15.71)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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