Question

23. Tell whether the sequence is arithmetic. If it is, what is the common difference? (1

-15, -9, -3, 3,
Oyes; 3
Oyes; 5
Oyes; 6
Ono

Answer 1

Answer: O Yes; 6

Yes it is Arithmetic; the difference is 6

Explanation:

If the numbers keep changing by the same value being added or subtracted, it is Arithmetic.

-15 - (-9) = -6 -9 - (-3) = -6 -3 - 3 = -6

"Same difference" as the saying goes!