document.write( "Question 1126253: Is the sequence a[n]=6n-17 arithmetic?
\n" ); document.write( "if it is what is its first term
\n" ); document.write( "and its common difference
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Algebra.Com's Answer #742606 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\"a%5Bn%5D=a%5B1%5D%2B%28n-1%29d\"....using nth term formula, we have\r
\n" ); document.write( "\n" ); document.write( "\"a%5Bn%5D=a%5B1%5D%2Bdn-d\"\r
\n" ); document.write( "\n" ); document.write( "\"a%5Bn%5D=dn%2B%28a%5B1%5D-d%29\"\r
\n" ); document.write( "\n" ); document.write( "since you are given\r
\n" ); document.write( "\n" ); document.write( "\"a%5Bn%5D=6n-17\" , you see that\r
\n" ); document.write( "\n" ); document.write( "\"%28a%5B1%5D-d%29=-17+\" and \"dn=6n\"\r
\n" ); document.write( "\n" ); document.write( "=>\"d=6\", is common difference\r
\n" ); document.write( "\n" ); document.write( "and\r
\n" ); document.write( "\n" ); document.write( "\"a%5B1%5D-6=-17\"
\n" ); document.write( "\"a%5B1%5D=-17%2B6\"
\n" ); document.write( "\"a%5B1%5D=-11\" is its first term\r
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