document.write( "Question 1023912: 17, 2, 21, 40, … is an arithmetic sequence.
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\n" ); document.write( " True
\n" ); document.write( " False
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Algebra.Com's Answer #639402 by fractalier(6550) $\"\"$ $\"About$

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False.
\n" ); document.write( "If the first number was -17, then it would be true, as you would be adding 19 each term. \n" ); document.write( "

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