# Math Help - Linearization

1. ## Linearization

Find the linearization of the function at the point (0, -1).
__________
Use the linear approximation to estimate the value of = _____________

Thanks!

2. Originally Posted by jffyx
Find the linearization of the function at the point (0, -1).
__________
there is a formula for this: $L(x,y) = f(x_0,y_0) + f_x(x_0,y_0)(x - x_0) + f_y(x_0,y_0)(y - y_0)$

here, your $(x_0,y_0) = (0,-1)$

Use the linear approximation to estimate the value of = _____________

Thanks!
this is given by $L(-0.1, -0.9)$