document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1388>Question 1388</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am in Algebra 1 <BR>\n" );
document.write( "I am confused about my homework. \r<BR>\n" );
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document.write( "f(x)= - 2/3 (x+2)^2 +1 This is one of the problems. I have to tell whether the parabola is going upward or downward. Then idenify A,H,K and vertex and give a rough draft of the graph.\r<BR>\n" );
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document.write( "We just learned this and I have 36 problems to do. We are not to follow the books instructions but the above instructions instead. I am lost! Can you get me started. Thank you. Another problem is f(x)= x^2+3     </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #418 by </B><A HREF=/tutors/aboutme.mpl?userid=usyim88hk><B>usyim88hk(158)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=usyim88hk><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=418\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> first look at the vertex form of a quadratic equation:<BR>\n" );
document.write( "y = a(x-h)^2+k<BR>\n" );
document.write( "So actually you can easily find what a,h,k is in the equation<BR>\n" );
document.write( "f(x) = -2/3(x+2)^2+1<BR>\n" );
document.write( "a = -2/3<BR>\n" );
document.write( "h = -2<BR>\n" );
document.write( "k = 1<BR>\n" );
document.write( "and the parabola is opening downward because when a is a positive number, the parabola opens upward, when it is a negative number, it is opening downward.<BR>\n" );
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document.write( "And this is the graph<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28600%2C400%2C-6%2C4%2C-20%2C20%2C%28-2%2F3%29%28%28x%2B2%29%5E2%29%2B1%29 ALIGN=MIDDLE  ALT=\"graph%28600%2C400%2C-6%2C4%2C-20%2C20%2C%28-2%2F3%29%28%28x%2B2%29%5E2%29%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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