document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=437124>Question 437124</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Make a graph of y=6x^2-4x-3 and find the vertex, y-intercept, extra points.\r<BR>\n" );
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document.write( "I don't understand how I can find the vertex, y-intercept and extra points. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #302350 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=302350\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Make a graph of y=6x^2-4x-3 and find the vertex, y-intercept, extra points.<BR>\n" );
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document.write( "For the y-intercept, set x = 0<BR>\n" );
document.write( "--> y = -3, or (0,-3)<BR>\n" );
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document.write( "For the vertex, find the line of symmetry<BR>\n" );
document.write( "It's x = -b/2a<BR>\n" );
document.write( "x = -(-4)/(2*6) = 1/3<BR>\n" );
document.write( "The vertex is (1/3,f(1/3))<BR>\n" );
document.write( "Sub 1/3 for x<BR>\n" );
document.write( "--> 6*(1/9) - 4/3 - 3<BR>\n" );
document.write( "= - 11/3<BR>\n" );
document.write( "Vertex at (1/3,-11/3)<BR>\n" );
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document.write( "For \"extra points\", pick values for x and find y<BR>\n" );
document.write( "x = 1, y = -1 --> (1,-1)<BR>\n" );
document.write( "x = 2, y = 13 --> (2,13) etc<BR>\n" );
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