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What is the power of x in 5x²?

Answer and explanation

Correct answer: 2

In an algebraic term, the numerical factor is called the coefficient and the exponent attached to a variable gives its power. In 5x², 5 is the coefficient and the superscript 2 is the power of x. Therefore option B is correct. Option A identifies the coefficient, option D is the implicit power of x when no exponent is written, and 7 is obtained by an irrelevant addition.

Related tags

Algebraic-ExpressionsPowerCoefficientIntroduction To PolynomialsMathematicsAlgebraic ExpressionsClass 9 Mcq

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