document.write( "Question 865805: The first term of the sequence is -2 and the fifth term is -1/8. List 4 things you know. (Recursive formula, explicit formula, missing terms in sequence, common difference or ratio, whether it's geometric or arithmetic) \n" ); document.write( "
Algebra.Com's Answer #521911 by richwmiller(17219)\"\" \"About 
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-1/8 =-2 + (4)d
\n" ); document.write( "d=15/32
\n" ); document.write( "an=a(n-1)+15/32\r
\n" ); document.write( "\n" ); document.write( "an = -2 + 15/32(n - 1)
\n" ); document.write( "an=-2+15/32n-15/32\r
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\n" ); document.write( "\n" ); document.write( "-1/8= -2 * r^(4)
\n" ); document.write( "r=1/2 or -1/2\r
\n" ); document.write( "\n" ); document.write( "Tn = t * r^(n - 1)
\n" ); document.write( "It could be geometric or it could be arithmetic
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