document.write( "Question 1135559: Find an equation for the nth term of the arithmetic sequence.
\n" ); document.write( "-15, -6, 3, 12, ...
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\n" ); document.write( "\n" ); document.write( "an = -15 + 9(n + 1)
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\n" ); document.write( "an = -15 x 9(n - 1)
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\n" ); document.write( "an = -15 + 9(n + 2)
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\n" ); document.write( "an = -15 + 9(n - 1)
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Algebra.Com's Answer #753196 by ikleyn(52790)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "There are introductory lessons on arithmetic progressions \r
\n" ); document.write( "\n" ); document.write( "    - Arithmetic progressions\r
\n" ); document.write( "\n" ); document.write( "    - The proofs of the formulas for arithmetic progressions \r
\n" ); document.write( "\n" ); document.write( "    - Problems on arithmetic progressions \r
\n" ); document.write( "\n" ); document.write( "    - Word problems on arithmetic progressions\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "Learn the subject from there.\r
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\n" ); document.write( "\n" ); document.write( "Then you will be able to solve such problems on your own.\r
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