document.write( "Question 836844: I have tried for a long time to figure out, what the following numbers are:\r
\n" );
document.write( "\n" );
document.write( "2 5 19 x y\r
\n" );
document.write( "\n" );
document.write( "Anyone who can give me a hint?\r
\n" );
document.write( "\n" );
document.write( "Tine
\n" );
document.write( "Denmark \n" );
document.write( "
Algebra.Com's Answer #504372 by Edwin McCravy(20056)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "t(n) = an² + bn + c\r\n" ); document.write( "\r\n" ); document.write( "t(1) = a(1)² +b(1) + c = a + b + c = 2\r\n" ); document.write( "t(2) = a(2)² +b(2) + c = 4a + 2b + c = 5\r\n" ); document.write( "t(3) = a(3)² +b(3) + c = 9a + 3b + c = 19\r\n" ); document.write( "\r\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |