2what do you replace x and y with when finding the max and min for circles?
polar coords
3what to do when finding the maximum and minimum after finding fx and fy for critical points
plug in boundaries and critical points
4dw/dt
w'x*x't+w'y*y't+w'z*z't
7gradient
find fx and fy and plug in point p
8directional derivative
find fx and fy, plug in points and then multiply by direction vector
9how to find n for equation of a plane tangent to a surface
find fx,y,z, plug in points for n
10equation of a plane tangent to a surface
multiply n scales by (x-a)
11linear approximation
find n and multiply n into planar form and plug in point for c
12critical points
find fx and fy and solve for 0 for x and y
13when using 2nd derivative test, what is the equation of D
fxx*fyy-fxy^2
14when doing lagrange multiplier what does ▽f=?
λ▽g
15when doing lagrange multiplier what does ▽g=?
0
16when doing lagrange multiplier, what do you solve for first?
lambda
17when doing lagrange multiplier, what do you solve for 2nd?
x and y
18when doing lagrange multiplier, what do plug into the original equation at the end of the question?
critical points