Neco 2018 Mathematics Question 7

Practice essay / theory question 7 from the 2018 Neco Mathematics examination. This question covers Quadratic Equations .

Neco 2018 Mathematics Essay / Theory

Topic: Quadratic Equations

Question 7 NECO • 2018 • MATHEMATICS • essay

A rectangular plot has length \(L\) cm and width \(W\) cm. It is known that \(L = 2W + 5\) and the area of the plot is \(200\) cm\(^2\).

( a )

Form the quadratic equation that \(W\) satisfies and solve for the possible value(s) of \(W\).

( b )

Using the value of \(W\) obtained, determine the corresponding length \(L\).

( c )

If fencing costs \(\text{₦}120\) per metre, calculate the total cost to fence the plot. (Give your answer in naira, rounded to the nearest naira.)

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This is Neco 2018 Mathematics Question 7. It is one of the essay questions from the 2018 Neco Mathematics examination.

The question covers Quadratic Equations .

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