Multiple choice

What is 125th term of the given sequence? - 2, 2, 6, ...

  1. 482

  2. 486

  3. 494

  4. 500
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C Correct answer
AI explanation

This sequence is an arithmetic progression having the first term as -2 and a common difference of 4. Using the formula for the nth term, a plus open parenthesis n minus 1 close parenthesis times d, we calculate -2 plus open parenthesis 125 minus 1 close parenthesis times 4. This simplifies to -2 plus 124 times 4, which equals -2 plus 496, giving the result 494.

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