document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=849153>Question 849153</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The standard form of the equation of a parabolas is y=2x^2+16x+17 what is the vertex form of the equation? <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #511406 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=511406\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The standard form of the equation of a parabolas is y=2x^2+16x+17 what is the vertex form of the equation? <BR>\n" );
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document.write( "Vertex form of equation: y=A(x-h)^2+k, A=coefficient, (h,k)=(x,y) coordinates of the vertex.<BR>\n" );
document.write( "A>0, parabola opens up<BR>\n" );
document.write( "A<0, parabola opens down<BR>\n" );
document.write( "complete the square:<BR>\n" );
document.write( "y=2(x^2+8x+16)+17-32<BR>\n" );
document.write( "y=2(x+4)^2-15<BR>\n" );
document.write( "This is a parabola that opens up with vertex at (-4,-15) </SPAN>\n" );
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