Waec Model Questions Vol1 2017 Mathematics Question 10

Practice essay / theory question 10 from the 2017 Waec Model Questions Vol1 Mathematics examination. This question covers Variation .

Waec Model Questions Vol1 2017 Mathematics Essay / Theory
Topic: Variation
Question 10 WAEC_MODEL_QUESTIONS_VOL1 • 2017 • MATHEMATICS • essay

A researcher is studying the relationship between two variables, x and y, which vary directly. When \(x = 4\), \(y = 12\). The researcher wants to find the value of y when \(x = 10\) and also determine the value of x when \(y = 30\). Finally, they need to confirm if the relationship holds true for these new values. Present your calculations and reasoning clearly.

Question Parts

( a )
Determine the constant of variation.
( b )
Find the value of y when x = 10.
( c )
Determine the value of x when y = 30.
( d )
Confirm whether the relationship holds true for the newly calculated values.

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About This Question

This is Waec Model Questions Vol1 2017 Mathematics Question 10. It is one of the essay questions from the 2017 Waec Model Questions Vol1 Mathematics examination.

The question covers Variation .

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