Question detail
reasoning check: find the nth term of the arithmetic sequence 5, 10, 15, 20.
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. 5n + 0
- B. 9
- C. 1
- D. 10
Answer
The correct answer is 5n + 0.
Explanation
Trace the calculation before choosing. The verified method for Recognising sequences gives 5n + 0; no later explanation is allowed to change that value.
Common mistake
Recognising sequences common mistake 1
Writing a final answer without showing the method that justifies it. This can weaken answers for: [Foundation and Higher] Recognise and use triangular, square and cube numbers and simple arithmetic progressions..
Show the method first, then give the final answer in the required form. Apply this directly to Recognising sequences.
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