document.write( "Question 1088942: Number sequence:-8,-6,-4,-2 find the rule and 12th term
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Algebra.Com's Answer #703262 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "-8,-6,-4,-2\r\n" );
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document.write( "The recursive rule is an = an-1 + 2, a1 = -8.\r\n" );
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document.write( "The general term is\r\n" );
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document.write( "an = a1 + (n-1)d\r\n" );
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document.write( "The common difference is 2, so d=2\r\n" );
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document.write( "an = -8 + (n-1)(2)\r\n" );
document.write( "an = -8 + 2(n-1)\r\n" );
document.write( "an = -8 + 2n-2\r\n" );
document.write( "an = 2n-10\r\n" );
document.write( "a12 = 2(12)-10 = 24-10 = 14\r\n" );
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document.write( "Checking:\r\n" );
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document.write( "-8,-6,-4,-2,0,2,4,6,8,10,12,14\r\n" );
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document.write( "Edwin
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