Determine whether the sequence is arithmetic.If so, find the common difference.
7, $\frac { 13 } { 2 }$ , 6, $\frac { 11 } { 2 }$ , 5, ...

A)Arithmetic sequence, d = -1
B)Arithmetic sequence, $d = \frac { 3 } { 2 }$
C)Arithmetic sequence, $d = - \frac { 1 } { 2 }$
D)Arithmetic sequence, d = -2
E)Not an arithmetic sequence

Question

Determine whether the sequence is arithmetic.If so, find the common difference.  
7, $\frac { 13 } { 2 }$ , 6, $\frac { 11 } { 2 }$ , 5, ...
 
A)Arithmetic sequence, d = -1
B)Arithmetic sequence, $d = \frac { 3 } { 2 }$
C)Arithmetic sequence, $d = - \frac { 1 } { 2 }$
D)Arithmetic sequence, d = -2
E)Not an arithmetic sequence

Quizplus · Accepted Answer

The sequence is arithmetic because the difference between each term and the next is constant, specifically $-\frac{1}{2}$.

Determine Whether the Sequence Is Arithmetic 132\frac { 13 } { 2 }213​

Determine Whether the Sequence Is Arithmetic $\frac { 13 } { 2 }$