document.write( "Question 856145: This was a question on a practice test that I got wrong and I am not sure what I did wrong. Can you please explain to me how to solve this? It would mean a great deal to me!!\r
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Algebra.Com's Answer #515775 by Edwin McCravy(20056) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "You can also use the other formula:\r\n" );
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document.write( "8, 14, 20 …, if there are 22 terms\r\n" );
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document.write( " = the first term which = 8\r\n" );
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document.write( "d = common difference = 2nd term - 1st term = 14 - 8 = 6\r\n" );
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document.write( "check d:\r\n" );
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document.write( "d = common difference = 3rd term - 2nd term = 20 - 14 = 6\r\n" );
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document.write( "So d = 6\r\n" );
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document.write( "n = the number of terms = 22\r\n" );
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document.write( "Substitute , , and \r\n" );
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document.write( "Edwin

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