Polynomial example problems-2018 JAMB-UTME mathematics question 17

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QuizTablet Community! Polynomial example problems-2018 JAMB-UTME mathematics question 17

• A. 1, 1, or 5
• B. 1, 1, or -5
• C. -1, 1, -5
• D. 1, -1, or 5

D

SOLUTION…

We’re going to be using factorization to solve this problem.

Hence the final answer = x = 1, – 1 , and 5

Now for the right answer to the above question:

1. Option A is incorrect.
2. Option B is incorrect.
3. C is incorrect.
4. D is the correct answer.

QUICK TIPS…

• You can also use one known factor to long-divide the main polynomial and then solve the factor to determine the remaining roots.
• Adopt factorization method if the polynomial is easily factorizable as shown above.
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Use the questions and answers session to deal further on this topic…

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