Question

What is the ninth term of the arithmetic sequence defined by the rule A(n)= -14+(n-1)(2)

Answer 1

Answer: 1. What are the next two terms of the following sequence? 1,5,9...

Answer is D. 13,17.

2. What is the common difference of the following arithmetic sequence?

102, 100, 98, 96...

Answer is B. -2.

3. What is the ninth term of the arithmetic sequence defined by the rule below?

A(n)=-14+(n-1)(2)

Answer is C. 2.

4. Which function below represents the arithmetic sequence 3, 7, 11, 15...?

Answer is D. f(n)=3+4(n-1).

Those are the answers to the Sequences and Functions Quick Check.

hope i helped

Explanation:

Answer 2

If you start counting from 0, you ninth term will be 8. Replace n=8 and calculate:
A(8) = -14 + (8-1)(2) = -14 + (7)(2) = -14 + 14 = 0

If you start counting from 1, your ninth term will be 9. Replace n=9 and calculate:
A(9) = -14 + (9-1)(2) = -14 + (8)(2) = -14 + 16 = 2