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Class 9MathematicsExploring Algebraic IdentitiesQuadratic expressionsHard
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If (x^2+px+36) is a perfect square and (p) is negative, what will be the value of (p)?

Answer and explanation

Correct answer: (-12)

Since (36=6^2), the negative middle term is (-2\cdot6\cdot x=-12x). Exam tip: choose the sign according to the condition.

Related tags

Unknown CoefficientPerfect SquareQuadraticQuadratic ExpressionsExploring Algebraic IdentitiesMathematicsClass 9 Mcq
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