Question

In an arithmetic sequence, the first term, a, start subscript, 1, end subscript, commaa
1
​
, is equal to 4, comma4, and the third term, a, start subscript, 3, end subscript, commaa
3
​
, is equal to 14, .14. Which number represents the common difference of the arithmetic sequence?
Answer
Multiple Choice Answers
d, equals, 3d=3
d, equals, 4d=4
d, equals, 5d=5
d, equals, 6d=6

Answer 1

To find the common difference in an arithmetic sequence, we can subtract the first term from the third term.

The third term is 14 and the first term is 4, so the common difference is 14 - 4 = 10.

Therefore, the correct answer is d, equals, 10.