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What is the common difference of (-12,-7,-2,3,\ldots)?

Answer and explanation

Correct answer: 5

The common difference of an arithmetic progression is the difference between consecutive terms. Here, \(-7-(-12)=5\) and \(-2-(-7)=5\), so the common difference is 5. The value \(-5\) results from reversing the order of subtraction. Exam tip: always calculate common difference as second term minus first term.

Related tags

Arithmetic ProgressionCommon DifferenceIntegersClass 10MathematicsIntroduction To Aps And Common Difference.Introduction To Aps And Common DifferenceArithmetic Progressions (Ap)

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