True or False

Question

1. – 5, – 5, – 5, – 5, – 5, … is an arithmetic sequence.
2. In an arithmetic sequence, it is possible that the 13th term is equal to its 53rd term.
3. In an arithmetic sequence, the common difference is computed by subtracting the first term from the second term even if the common difference is not zero.
4. The terms in an arithmetic sequence are always arranged in an ascending order.
5. The series of the arithmetic sequence 1, 2, 3, 4, 5, … is 15.

Answer 1

My answer are all true except for number 4 which is false. Am I right?

Answer 2

correct