document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=887095>Question 887095</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the maximum height of the toy? At what time did the toy reach that height?\r<BR>\n" );
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document.write( "equation: y=-2x^2+4x+1300 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #536354 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=536354\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the maximum height of the toy? At what time did the toy reach that height?\r<BR>\n" );
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document.write( "equation: y=-2x^2+4x+1300<BR>\n" );
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document.write( "What toy?<BR>\n" );
document.write( "The max of the parabola is its vertex<BR>\n" );
document.write( "The vertex is on the line x = -b/2a<BR>\n" );
document.write( "x = -4/-4 = 1<BR>\n" );
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document.write( "y = -2 + 4 + 1300<BR>\n" );
document.write( "y = 1302 </SPAN>\n" );
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