Adaptive Practice
Sequences
10 questions • Earn up to 110 XP • First attempt — go for 100%!
0
XP
0
Correct
x1
Combo
Question 1 of 10
⏱ 0:30
Easy
What is the 5th term of the arithmetic sequence 3, 7, 11, 15, ...?
Easy
If the first term of a sequence is 2 and the common difference is 5, what is the 10th term?
Medium
Find the sum of the first 8 terms of the arithmetic sequence 4, 9, 14, 19, ...
Easy
In the sequence defined by a_n = 3n + 2, what is the 15th term?
Medium
The 7th term of an arithmetic sequence is 24, and the 12th term is 39. What is the first term?
Medium
Which term of the arithmetic sequence 5, 11, 17, 23, ... is 83?
Hard
The sum of the first n terms of a sequence is given by S_n = 2n^2 + 3n. What is the 5th term?
Hard
If the 3rd term of a geometric sequence is 24 and the 6th term is 192, what is the first term?
Medium
Find the 8th term of the geometric sequence 3, 6, 12, 24, ...
Hard
The sum of the first 4 terms of a geometric sequence is 30 and the first term is 2. What is the common ratio?