Question 2

waecmaths question: 

If x varies inversely as y and y varies directly as z, what is the relationship between x and z

Option A: 

$x\propto z$

Option B: 

$x\propto \tfrac{1}{z}$

Option C: 

$x\propto {{z}^{2}}$

Option D: 

$x\propto \tfrac{1}{{{z}^{2}}}$

waecmaths solution: 

$x\propto z$ Option A

maths year: 
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