Question

Write the quadratic variation equation for the relationship?
y varies directly with x^2 and y=18 when x=3

Answer 1

Here we have \(y\) varying directly with \(x^2\). Recalling that direct variation of <something> with <something else> implies \[\text{<something>} = k*\text{<something else>}\]what is the form of the equation going to be?