Asked by Thông Quang on Sep 23, 2024
Verified
Find the common difference of the arithmetic sequence 178,74,118,1,58,…\frac { 17 } { 8 } , \frac { 7 } { 4 } , \frac { 11 } { 8 } , 1 , \frac { 5 } { 8 } , \ldots817,47,811,1,85,…
A) 114\frac { 11 } { 4 }411
B) −38- \frac { 3 } { 8 }−83
C) −34- \frac { 3 } { 4 }−43
D) −74- \frac { 7 } { 4 }−47
E) 118\frac { 11 } { 8 }811
Common Difference
The difference between successive terms in an arithmetic sequence.
Arithmetic Sequence
An arithmetic sequence is a sequence of numbers in which each term after the first is obtained by adding a constant difference to the preceding term.
- Compute the uniform difference in arithmetic series.
Verified Answer
JW
James Williams2 days ago
Final Answer :
B
Explanation :
To find the common difference, subtract any term in the sequence from the term that follows it. For example, 74−178=14−178=−38\frac{7}{4} - \frac{17}{8} = \frac{14 - 17}{8} = -\frac{3}{8}47−817=814−17=−83 . This shows that the common difference is −38-\frac{3}{8}−83 .
Learning Objectives
- Compute the uniform difference in arithmetic series.
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