Question

For the given sequence: -4, -1, 2, 5...
Find the 25th term.

Answer 1

68

Explanation:

`a_n=a_1+(n-1)d\\\\a_(25)=-4+(25-1)(3)\\\\a_(25)=-4+(24)(3)\\\\a_(25)=-4+72\\\\a_(25)=68`

Therefore, the 25th term of the arithmetic sequence is 68