2023Q1(ii)Factorization of Polynomials (Remainder and Factor Theorems)

MCQEasy1 mark

1

Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)

If x - 2 is a factor of x3 - kx - 12, then the value of k is :

Topic: Remainder and factor theorem

Previous-year question practice database

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Pick an option and check your answer. The full worked answer is below either way.

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32-2-3

Answer

Exam answer

(c) k = −2

Explanation

By Factor Theorem, f(2)=0: 8−2k−12=0 ⇒ k=−2.

In words

k = −2

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