document.write( "Question 201924: Please Help:
\n" ); document.write( "Find the indicated term of the geometric sequence.\r
\n" ); document.write( "\n" ); document.write( "a = -3, r = -4; Find the 7th term.
\n" ); document.write( " A) 3072
\n" ); document.write( " B) 196,608
\n" ); document.write( " C) -4096
\n" ); document.write( " D) -12,288
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #152147 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
The general form of ANY geometric sequence is \"a%5Bn%5D=a%2Ar%5E%28n-1%29\" where \"n\" starts at 1 (the formula is slightly different if you start at different \"n\" values)\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"a%5Bn%5D=a%2Ar%5E%28n-1%29\" Start with the given equation.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"a%5Bn%5D=-3%2A%28-4%29%5E%28n-1%29\" Plug in \"a=-3\" and \"r=-4\" (these values are given)\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"a%5B7%5D=-3%2A%28-4%29%5E%287-1%29\" Plug in \"n=7\" (for the 7th term)\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"a%5B7%5D=-3%2A%28-4%29%5E6\" Subtract\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"a%5B7%5D=-3%2A4096\" Raise -4 to the 6th power to get 4,096\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"a%5B7%5D=-12288\" Multiply\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So the 7th term is -12,288 which means that the answer is D)
\n" ); document.write( "
\n" );