sweetmanda_4
New member
- Joined
- Oct 10, 2011
- Messages
- 1
Find the points at which the graph of the equation 4x^2+y^2-8x+4y=o has a horizontal or vertical tangent
I've gotten the derivative
dy/dx= (4-8x)/2y
But I'm unsure how to do the other parts of the problem! HELP PLEASE!
I've gotten the derivative
dy/dx= (4-8x)/2y
But I'm unsure how to do the other parts of the problem! HELP PLEASE!