document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=822512>Question 822512</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tell whether the given quadratic function has a minimum or maximum point. Give the coordinates of those minimum and maximum points.\r<BR>\n" );
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document.write( "1. f(x)= 3x²+2x<BR>\n" );
document.write( "2. f(x)= -3x²-2x<BR>\n" );
document.write( "3. f(x)= x²+5x+15<BR>\n" );
document.write( "4. f(x)= -2x²+11x-12<BR>\n" );
document.write( "5. C(x)= 0.002x²+1.2x+60  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #494891 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=494891\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ---<BR>\n" );
document.write( "I will do the first quadratic function and you can do the rest. <BR>\n" );
document.write( "The method is exactly the same for all quadratics in standard form:<BR>\n" );
document.write( "f(x) = ax^2 + bx + c<BR>\n" );
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document.write( "3x^2 + 2x<BR>\n" );
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document.write( "the above quadratic equation is in standard form, with a=3, b=2, and c=0<BR>\n" );
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document.write( "to solve the quadratic equation, by using the quadratic formula, copy and paste this:<BR>\n" );
document.write( "3 2 0<BR>\n" );
document.write( "into this solver: https://sooeet.com/math/quadratic-equation-solver.php<BR>\n" );
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document.write( "this quadratic's vertex is a minimum at: ( x= -0.333333333, f(x)= -0.333333333 )<BR>\n" );
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document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
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document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
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document.write( "Solve systems of linear equations up to 6-equations 6-variables:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php </SPAN>\n" );
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