document.write( "Question 82554: Find the next term of the sequence. \r
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document.write( "1, 8, 27, 64, ...
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document.write( " What is the formula for the following arithmetic sequence?\r
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document.write( "-2, 3, 8, 13, ...
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document.write( " a.an = -2n + 3
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document.write( " b.an = -2n + 7
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document.write( " c.an = 5n + 3
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document.write( " d.an = 5n - 7
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document.write( " What is the common difference of the sequence? \r
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document.write( "2, -1, -4, -7, ...
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Algebra.Com's Answer #59132 by 303795(602)![]() ![]() ![]() You can put this solution on YOUR website! The first sequence is cube numbers \n" ); document.write( "The second problem has a common difference of 5. Testing last two choices which contain 5n shows that the correct answer is 5n-7. \n" ); document.write( "The common difference is -3 as each term is three less than its predecessor. \n" ); document.write( " \n" ); document.write( " |