document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1077426>Question 1077426</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An object is launched at 17.2 m/s from a 25-meter tall platform. The equation for the object's height h at time t seconds after launch is: h(t) = -4.9t^2 + 17.2t +25, where h is in meters. \r<BR>\n" );
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document.write( "a. Graph this equation. <BR>\n" );
document.write( "b. When does the object strike the ground? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #691885 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=691885\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An object is launched at 17.2 m/s from a 25-meter tall platform. The equation for the object's height h at time t seconds after launch is: h(t) = -4.9t^2 + 17.2t +25, where h is in meters. \r<BR>\n" );
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document.write( "a. Graph this equation.<BR>\n" );
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document.write( "It's a parabola.<BR>\n" );
document.write( "Pick values for t and find h.<BR>\n" );
document.write( "Plot the points.<BR>\n" );
document.write( "Draw a curve thru them<BR>\n" );
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document.write( "b. When does the object strike the ground?<BR>\n" );
document.write( "h(t) = -4.9t^2 + 17.2t +25<BR>\n" );
document.write( "When h(t) = 0<BR>\n" );
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