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Which sequence starts with a = 4 and d = 6?

Answer and explanation

Correct answer: (4, 10, 16, 22, …)

An arithmetic progression is identified by its first term a and its constant common difference d. The required sequence must begin with 4, and every following term must be 6 greater than the previous one. Starting from 4 gives 4 + 6 = 10, 10 + 6 = 16, and 16 + 6 = 22, so the sequence is (4, 10, 16, 22, …). Hence option A is correct. Option B has first term 6 and common difference 4. Option C begins with 4 but its difference is 4 rather than 6. Option D has difference 6, but its first term is 10. Thus both defining conditions, not merely one of them, must be checked before selecting the progression.

Related tags

Arithmetic-ProgressionFirst-TermCommon-DifferenceSequenceIntroduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)Arithmetic Progressions Ap

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