Question from Kerim:

I need to solve this equation. y=at^2 - 2at x =2a√t

Express y in terms of x and a

Give in the form y=(x^p/ma^3) - (x^q/na) where p,q,m and n are integers

Hi Kerim,

Solve the equation $x = 2 a \sqrt{t}$ for $t$ and substitute into the first equation.

Penny