# A curve through a point

• February 3rd 2011, 06:42 PM
Oiler
A curve through a point
The curve $xy(x+y-4) = k$ passes through the point $(3,3)$. Find the value of $k$. Would this be as simple as just plugging $(3,3)$ back into the equation to give the value $k$ at the point $(3,3)$ ?
• February 3rd 2011, 06:45 PM
pickslides
Yes.
• February 4th 2011, 04:53 AM
HallsofIvy
I would agree with Pickslides but that would make the answer wrong!
• February 4th 2011, 05:04 AM