Multiple choice

What is the nth term of the given sequence? 2, 4, 6, 8, ...

  1. n

  2. n + 1

  3. 2n

  4. 2n + 1

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The sequence is 2, 4, 6, 8, which is 2*1, 2*2, 2*3, 2*4. The n-th term is 2n.

AI explanation

The sequence consists of consecutive positive even numbers, where each term can be found by multiplying its position by two. Testing this rule shows the first term is 2 times 1, the second term is 2 times 2, and the third term is 2 times 3. Therefore, the nth term of the sequence is 2n.