Waec Model Questions Vol1 2019 Mathematics Question 5

Practice essay / theory question 5 from the 2019 Waec Model Questions Vol1 Mathematics examination. This question covers Algebraic Expressions, Factorisation, Evaluation .

Waec Model Questions Vol1 2019 Mathematics Essay / Theory

Topics: Algebraic Expressions Factorisation Evaluation

Question 5 WAEC_MODEL_QUESTIONS_VOL1 • 2019 • MATHEMATICS • essay

A quadratic expression can be written in the form \((x - a)(x - b)\) where \(a\) and \(b\) are positive integers. Expanding this product gives \(x^{2} - 9x + 20\).

Question Parts

( a )

Determine the integers \(a\) and \(b\).

( b )

Let \(x = a + b\). Evaluate the expression \((x - a)(x - b)\) and state the remainder when this value is divided by 7.

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About This Question

This is Waec Model Questions Vol1 2019 Mathematics Question 5. It is one of the essay questions from the 2019 Waec Model Questions Vol1 Mathematics examination.

The question covers Algebraic Expressions, Factorisation, Evaluation .

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