waecE-LEARNING
Further Mathematics Paper 2, May/June. 2014  
Questions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Main
General Comments
Weakness/Remedies
Strength








Question 3

If  and  are the roots of 3x2+5x+1 = 0, evaluate 27 (3 + 3).

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Observation


The Chief Examiner reported that majority of the candidates attempted this question and their performance was described as fair. Majority of them were reportedly able to show that if  and were the roots of 3x2 + 5x + 1 = 0, then  +  = - and  =. However, a good number of them could not express (3 + 3) in terms of ( +) and ().

Candidates were expected to show that (3 +3) = ()(2 - + 2)  ()(()2 - 3).Therefore,       27(3 + 3) = 27[()(()2 -3)] =27[()((-)2 – 3())] =27[-(

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