MATH SOLVE

3 months ago

Q:
# The first term of an arithmetic sequence is -3 and the fifteenth term is 53. What is the common difference of the sequence? 14/13 25/7 4

Accepted Solution

A:

[tex]a_1=-3 \\ a_{15}=53 \\ \\ d= \frac{53-(-3)}{15-1}= \frac{56}{14}=4[/tex]

The answer is d=4

The answer is d=4