document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=973148>Question 973148</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The graph of y = - 5 x squared + 9 passes through (1, 2a) in the standard (x, y) coordinate plane. What is the value of a?\r<BR>\n" );
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document.write( "Answer choices:\r<BR>\n" );
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document.write( "A. 2<BR>\n" );
document.write( "B. 4<BR>\n" );
document.write( "c. 7<BR>\n" );
document.write( "D. -1<BR>\n" );
document.write( "E. -8\r<BR>\n" );
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document.write( "I'm confused about how to most directly find this variable. \r<BR>\n" );
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document.write( "Thank you for any help with this. \r<BR>\n" );
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document.write( "Helen </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #595393 by </B><A HREF=/tutors/aboutme.mpl?userid=amarjeeth123><B>amarjeeth123(570)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amarjeeth123><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=595393\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The graph of y=-5x^2+9 passes through (1, 2a) in the standard (x, y) coordinate plane.<BR>\n" );
document.write( "Substituting x=1 in the equation.<BR>\n" );
document.write( "When x=1 we have y=-5+9=4<BR>\n" );
document.write( "2a=4<BR>\n" );
document.write( "a=2<BR>\n" );
document.write( "Answer = (A) <BR>\n" );
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