document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=312911>Question 312911</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the quadratic formula to determine the x-intercepts (if any) of the foloowing function. Then evaluate the function for several values of x, and use the resulting points to graph the function.\r<BR>\n" );
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document.write( "f(x) = 1/2x^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #223885 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=223885\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the quadratic formula to determine the x-intercepts (if any) of the following function. Then evaluate the function for several values of x, and use the resulting points to graph the function.<BR>\n" );
document.write( "f(x) = 1/2x^2<BR>\n" );
document.write( "But why would you use the quadratic formula to find the intercepts<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "in the this equation, b & c = 0<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-0+%2B-+sqrt%28+0-4%2A.5%2A0+%29%29%2F%282%2A.5%29+ ALIGN=MIDDLE  ALT=\"x+=+%28-0+%2B-+sqrt%28+0-4%2A.5%2A0+%29%29%2F%282%2A.5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0%2F1 ALIGN=MIDDLE  ALT=\"0%2F1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 0 obviously<BR>\n" );
document.write( "then<BR>\n" );
document.write( "y = 0<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+200%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+.5x%5E2%29+ ALIGN=MIDDLE  ALT=\"+graph%28+200%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+.5x%5E2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ":<BR>\n" );
document.write( "\"Then evaluate the function for several values of x, and use the resulting points to graph the function.<BR>\n" );
document.write( ":<BR>\n" );
document.write( " x | y<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "-2 |+2<BR>\n" );
document.write( "-1 |+.5<BR>\n" );
document.write( " 0 | 0<BR>\n" );
document.write( "+1 |+.5<BR>\n" );
document.write( "+2 |+2<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );