document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=210301>Question 210301</A>: <I><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. \r<BR>\n" );
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document.write( "f(x) = 2x^2 + 2\r<BR>\n" );
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document.write( "Do I need to rearrange the problem putting x to zero?   2x^2 + 2= 0  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #158886 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=158886\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> No you need to use the rule y = 2x^2+2<BR>\n" );
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document.write( "Find the y value that goes with x = -2, x=-1,x=0,x=1,x=2<BR>\n" );
document.write( "That will give you 5 points.<BR>\n" );
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document.write( "Plot the points and draw a smooth curve thru them to get:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C300%2C-10%2C10%2C-10%2C10%2C2x%5E2%2B2%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C300%2C-10%2C10%2C-10%2C10%2C2x%5E2%2B2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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