Mathematics for IGCSE & O level - Proportion (Section 3 - No. 33)
In the formula y = k/x, if k is a constant, what happens to y if x is tripled?
y is tripled.
y is divided by 3.
y remains the same.
y is multiplied by 9.
Wyjaśnienie
If x is tripled in y = k/x, the result is y/3.