document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=173033>Question 173033</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, we just started learning about quadratic equations today, and I found some problems that I needed help with.\r<BR>\n" );
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document.write( "Define a variable and write a quadratic function to describe each situation.<BR>\n" );
document.write( "30. the product of two numbers whose sum is 45<BR>\n" );
document.write( "31. the area of a circle in terms of its radius<BR>\n" );
document.write( "32. the product of two numbers whose difference is 15\r<BR>\n" );
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document.write( "any help would be appreciated, thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #127892 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=127892\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Define a variable and write a quadratic function to describe each situation.<BR>\n" );
document.write( "30. the product of two numbers whose sum is 45<BR>\n" );
document.write( "x*(45-x) = Product<BR>\n" );
document.write( "45x - x^2 = Product<BR>\n" );
document.write( "31. the area of a circle in terms of its radius<BR>\n" );
document.write( "Area = pi*r^2\r<BR>\n" );
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document.write( "32. the product of two numbers whose difference is 15 <BR>\n" );
document.write( "Product = n*(n+15) = n^2 + 15n<BR>\n" );
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