document.write( "Question 160185: write a recursive formula for each of the following sequences. and find the 10th term. Use u1 for the first term given.\r
\n" ); document.write( "\n" ); document.write( "a. 100, 150, 225, 337.5, 506.25...
\n" ); document.write( "b. 73.4375, 29.375, 11.75, 4.7, 1.88...
\n" ); document.write( "c. 80.00, 82.40, 84.87, 87.42, 90.04....
\n" ); document.write( "d. 208.00, 191.36, 176.05, 161.97 \n" ); document.write( "

Algebra.Com's Answer #118118 by Edwin McCravy(20086) $\"\"$ $\"About$

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document.write( "a. 100, 150, 225, 337.5, 506.25...\r\n" );
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document.write( "Question: What do we have to multiply  by to get ?\r\n" );
document.write( "Answer: To find out we divide 150 by 100 and get 1.5.\r\n" );
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document.write( "Question: What do we have to multiply  by to get ?\r\n" );
document.write( "Answer: To find out we divide 225 by 150 and get 1.5\r\n" );
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document.write( "Question: What do we have to multiply  by to get ?\r\n" );
document.write( "Answer: To find out we divide 337.5 by 225 and get 1.5\r\n" );
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document.write( "Question: What do we have to multiply  by to get ?\r\n" );
document.write( "Answer: To find out we divide 150 by 100 and get 1.5\r\n" );
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document.write( "So we generalize:\r\n" );
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document.write( "So in each case above, what did we have to multiply  by to get \r\n" );
document.write( "?\r\n" );
document.write( "Answer: We had to multiply it by 1.5.\r\n" );
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document.write( "What did we start with?  \r\n" );
document.write( "Answer: We started with .\r\n" );
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document.write( "So how do we write the recursive formula:\r\n" );
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document.write( "Answer:\r\n" );
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document.write( "----------------------\r\n" );
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document.write( "b. 73.4375, 29.375, 11.75, 4.7, 1.88...\r\n" );
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document.write( "Do it exactly the same way:\r\n" );
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document.write( "Answer\r\n" );
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document.write( "-----------------------\r\n" );
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document.write( "c. 80.00, 82.40, 84.87, 87.42, 90.04....\r\n" );
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document.write( "Do it exactly the same way, except we must always round to\r\n" );
document.write( "the nearest hundredth:\r\n" );
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document.write( "Answer\r\n" );
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document.write( "-----------------------\r\n" );
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document.write( "d. 208.00, 191.36, 176.05, 161.97\r\n" );
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document.write( "Same as c:\r\n" );
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document.write( "Answer\r\n" );
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document.write( "-----------------------\r\n" );
document.write( "Edwin

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