document.write( "Question 882717: Dear Sir/Madam;
\n" ); document.write( " A pleasant day! please help me with this sequence problem. Consider the sequence x+3, x+7, 4x-2...
\n" ); document.write( "a) if the sequence is arithmetic, find x and then determine the first 4 terms
\n" ); document.write( "b) if the sequence is geometric, find x and then determine the first 4 terms.\r
\n" ); document.write( "\n" ); document.write( "Thank you very much! \n" ); document.write( "

Algebra.Com's Answer #533083 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!
Consider the sequence x+3, x+7, 4x-2...
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document.write( "a) if the sequence is arithmetic, then \r\n" );
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document.write( "    \r\n" );
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document.write( "                       <-- so common difference = 4\r\n" );
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document.write( "first term = x+3 =  =  = \r\n" );
document.write( "second term =  =  = \r\n" );
document.write( "As a check,\r\n" );
document.write( "second term = x+7 =  =  = \r\n" );
document.write( "third term =  =  = \r\n" );
document.write( "As a check,\r\n" );
document.write( "third term = 4x-2 =  = = \r\n" );
document.write( "fourth term =  =  = \r\n" );
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document.write( "-------------\r\n" );
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document.write( "b) if the sequence is geometric, then \r\n" );
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document.write( "        \r\n" );
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document.write( "        \r\n" );
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document.write( "Two solutions:\r\n" );
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document.write( "    , \r\n" );
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document.write( "      ,    \r\n" );
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document.write( "                    \r\n" );
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document.write( "Using x=5\r\n" );
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document.write( "first term = x+3 =  = \r\n" );
document.write( "second term = x+7 =  = \r\n" );
document.write( "common ratio =  =  = \r\n" );
document.write( "third term =  = \r\n" );
document.write( "As a check,\r\n" );
document.write( "third term = 4x-2 =  =  = \r\n" );
document.write( "fourth term =  = \r\n" );
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document.write( "Using x=\r\n" );
document.write( "\r\n" );
document.write( "first term = x+3 =  =  = \r\n" );
document.write( "second term = x+7 =  =  = \r\n" );
document.write( "common ratio =  =  = \r\n" );
document.write( "third term =  = \r\n" );
document.write( "As a check,\r\n" );
document.write( "third term = 4x-2 =  = = \r\n" );
document.write( "fourth term =  = \r\n" );
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document.write( "Edwin

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