document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1032602>Question 1032602</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Let f(x) = 2x^2 &#8722; 8x &#8722; 7. <BR>\n" );
document.write( "What is the quadratic in vertex form that is y = a(x &#8722; h)^2 + k<BR>\n" );
document.write( "for some constants a, h, and k). Use the vertex form to locate the x intercepts of the function. (without the quadratic formula.) Sketch the graph of f, showing all important features. Solve f(x) > 0. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #647268 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=647268\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Let f(x) = 2x^2 &#8722; 8x &#8722; 7<BR>\n" );
document.write( "2x^2 - 8x  = y +7<BR>\n" );
document.write( "2(x^2 - 4x + 4) = y + 7 + 2*4<BR>\n" );
document.write( "y = 2(x-2)^2 - 15<BR>\n" );
document.write( "--------------- <BR>\n" );
document.write( "That is the quadratic in vertex form that is y = a(x &#8722; h)^2 + k<BR>\n" );
document.write( "for some constants a, h, and k.<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( " Use the vertex form to locate the x intercepts of the function. (without the quadratic formula.)<BR>\n" );
document.write( "Vertex is (2,-15)<BR>\n" );
document.write( "========== <BR>\n" );
document.write( "Sketch the graph of f, showing all important features.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C400%2C-10%2C10%2C-25%2C25%2C2x%5E2+-+8x+-+7%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C400%2C-10%2C10%2C-25%2C25%2C2x%5E2+-+8x+-+7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------------------- <BR>\n" );
document.write( "Solve f(x) > 0. <BR>\n" );
document.write( "Cheers<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "--------------- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );