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Which of the following sequences has (a=-4) and (d=6)?

Answer and explanation

Correct answer: \((-4,2,8,14,\ldots)\)

In an AP, \(a\) is the first term and \(d\) is the difference between consecutive terms. In option B, the first term is \(-4\), and \(2-(-4)=6\) and \(8-2=6\). Hence, it has \(a=-4\) and \(d=6\). Option C also has common difference 6, but its first term is 4. Exam tip: check the first term first, then subtract the first term from the second term to find \(d\).

Related tags

Arithmetic ProgressionFirst TermCommon DifferenceIdentify ApClass 10 MathematicsIntroduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)

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