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

  1. A. 5n + 0
  2. B. 9
  3. C. 1
  4. D. 10

Answer

The correct answer is 5n + 0.

Explanation

Trace the calculation before choosing. The verified method for Generating sequence terms gives 5n + 0; no later explanation is allowed to change that value.

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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