Question

Which of the following sets represent an arithmetic sequence?

A { -5, - 2, 1, 4, 7,...}
B {1, 3, 6, 10, 15, ...}
C {-3, 0, 4, 9, 15, ...}
D {2, 5, 9, 14, 20, ...} ​

Answer 1

A { -5, - 2, 1, 4, 7,...}

Explanation:

This represents the arithmetic sequence of a, a+d, a+2d, a+3d, so on.