Waec Model Questions Vol1 2019 Mathematics Question 3

Practice essay / theory question 3 from the 2019 Waec Model Questions Vol1 Mathematics examination. This question covers Indices, Logarithms, Surds .

Waec Model Questions Vol1 2019 Mathematics Essay / Theory
Topics: Indices Logarithms Surds
Question 3 WAEC_MODEL_QUESTIONS_VOL1 • 2019 • MATHEMATICS • essay

A certain algebraic problem involves indices, logarithms and surds.

Question Parts

( a )
Given that \(\dfrac{2^{x}\,5^{2x}}{10^{\,x-1}} = 50\), find the value of \(x\).
( b )
Using the value of \(x\) obtained in part (a), evaluate \(\log_{2}\bigl(x^{2}+3x\bigr)\).
( c )
Simplify the surd expression \(\sqrt{50}\; -\; \sqrt{18}\) and write it in the form \(a\sqrt{b}\) where \(a\) is an integer and \(b\) is a positive integer not divisible by any perfect square greater than 1.
( d )
Find the product of the answers obtained in parts (b) and (c).

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About This Question

This is Waec Model Questions Vol1 2019 Mathematics Question 3. It is one of the essay questions from the 2019 Waec Model Questions Vol1 Mathematics examination.

The question covers Indices, Logarithms, Surds .

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