5.
Which of the following is the common difference in the arithmetic sequence
3.9.15.21
A. 6
B. 5
C. 4
D. 3
Share
5.
Which of the following is the common difference in the arithmetic sequence
3.9.15.21
A. 6
B. 5
C. 4
D. 3
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
6
Step-by-step explanation:
3, 9, 15, 21
an = a1 + (n - 1) d
9 = 3 + (2 - 1)d
9 = 3 + d
9 - 3 = d
d = 6
Verified answer
Answer:
A. 6
Step-by-step explanation:
Minus the 2nd term to the 1st term, 9-3=6.