Multiple choice

Find the 7th term of given sequence. - 4, - 1, 2, ...

  1. 12

  2. 14

  3. 16

  4. 18
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B Correct answer
Explanation

This is an arithmetic progression with first term a = -4 and common difference d = 3. The 7th term is a + (7-1)d = -4 + 6(3) = -4 + 18 = 14.

AI explanation

The sequence is an arithmetic progression with a common difference of 3. To find the 7th term, we use the arithmetic progression formula Tn equals a plus n minus 1 times d. We calculate the 7th term as negative 4 plus 6 times 3, which equals negative 4 plus 18, resulting in 14.

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