document.write( "Question 943215: Tell whether the sequence is arithmetic. If it is, what is the common difference?\r
\n" ); document.write( "\n" ); document.write( "1, 1 1/4, 1 1/2, 1 3/4\r
\n" ); document.write( "\n" ); document.write( "1. yes; 4
\n" ); document.write( "2. yes; 1/4
\n" ); document.write( "3. yes; 1/2
\n" ); document.write( "4. no
\n" ); document.write( "

Algebra.Com's Answer #575031 by rfer(16322)\"\" \"About 
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2) yes, 1/4 \n" ); document.write( "
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