document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1100207>Question 1100207</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sketch each quadratic function by algebraically finding the axis of symmetry, vertex, and use a total of at least five points.\r<BR>\n" );
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document.write( "a. f(x)=x^2+4x+3 b. g(x)=-x^2+8x-15 c. h(x)=x^2-2x+3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #714732 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=714732\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There is a formula to help with this, in case a function is not factorable.\r<BR>\n" );
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document.write( "(b)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2B8x-15 ALIGN=MIDDLE  ALT=\"x%5E2%2B8x-15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2B8x%2B16-16-15 ALIGN=MIDDLE  ALT=\"x%5E2%2B8x%2B16-16-15\"   DISABLED_style= \"max-width:90%; height:auto;\" >, completing the square<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B4%29%5E2-31 ALIGN=MIDDLE  ALT=\"%28x%2B4%29%5E2-31\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Axis of symmetry, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-4 ALIGN=MIDDLE  ALT=\"x=-4\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Vertex, (-4,-31).<BR>\n" );
document.write( "You can find the desired points yourself.  You should at least include the two x-intercepts.  Solve this equation:   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B4%29%5E2-31=0 ALIGN=MIDDLE  ALT=\"%28x%2B4%29%5E2-31=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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