Question

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

A. 27, 211
B. 10, 11
C. 12, 15
D. 13, 17


2. What is the common difference of the following arithmetic sequence?
102, 100, 98, 96...

A. 2
B. -2
C. -1
D. 102


3. Which is the ninth term of the arithmetic sequence defined by the rule below?
A(n)=-14+(n - 1)(2)

A. 232
B. 230
C. 2
D. 4


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


A. f(n)=4+3(n-1)
B. f(n)=4+3n
C. f(n)=3+4n
D. f(n)=3+4(n-1)

Answer 1

This isnt an answer but is the answer for 3 C?

Explanation:

Answer 2

1. there is a common difference of 4, so ur next terms are 13,17

2. there is a common difference of -2

3. A(n) = -14 + (n-1) * 2...n = 9
A(9) = -14 + (9-1) * 2
A(9) = -14 + 8 * 2
A(9) = -14 + 16
A(9) = 2

4. f(n) = 3 + 4(n-1)