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Multiple choice

Find the 30th term of the given sequence. 10, 7, 4, ...

  1. -7

  2. -46

  3. -56

  4. -77
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is an arithmetic progression with first term a = 10 and common difference d = -3. The n-th term is given by a + (n - 1)d. For n = 30, the term is 10 + (29 * -3) = 10 - 87 = -77.

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