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What kind of terms are (4a) and (-2a)?

Answer and explanation

Correct answer: Like terms

Terms are called like terms when their variable parts are identical, including the same variables raised to the same powers. In 4a, the variable part is a to the first power. In −2a, the variable part is also a to the first power. Their numerical coefficients, 4 and −2, are different, but coefficients may differ while terms remain like terms. Therefore option B is correct. Option A is wrong because the variable parts match. Option C is wrong because both expressions contain a variable and are not constants. Option D is wrong because each expression has only one term; a binomial must contain two unlike or separate terms joined by an operation.

Related tags

AlgebraLike TermsTerms Of ExpressionsLike And Unlike TermsCommon QuestionsCommonMathematicsClass 9 Mcq

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