Question detail
exam warm-up: find the nth term of the arithmetic sequence 2, 4, 6, 8.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Sequences
Question
- A. 2n + 0
- B. 3
- C. 1
- D. 4
Answer
The correct answer is 2n + 0.
Explanation
The locked answer is 2n + 0. Work through the given values, keep one operation per line, and check the final step reaches 2n + 0.
Common mistake
Nth term common mistake 1
Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Deduce expressions to calculate the nth term of linear sequences..
Show the method first, then give the final answer in the required form. Apply this directly to Nth term.
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