Question detail
method check: find the nth term of the arithmetic sequence 4, 8, 12, 16.
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. 4n + 0
- B. 7
- C. 1
- D. 8
Answer
The correct answer is 4n + 0.
Explanation
The distractors change the result or the form of the answer. The canonical solution reaches 4n + 0, so 4n + 0 is the only option consistent with the working.
Common mistake
Generating sequence terms common mistake 1
Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Generate terms of a sequence from a term-to-term rule or a position-to-term rule..
Show the method first, then give the final answer in the required form. Apply this directly to Generating sequence terms.
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