https://piazza.com/class_profile/get_resource/ln18bjs43q41tr/lp3a08ha1vw4ze

$$ x_1 + 3x_1x_2 -6x_2^2 - 8 = 0 \\ x = (x_1, x_2), b = -8\\ \phi (x) = (x_1, x_2, x_1^2, x_2^2, x_1x_2) \\

w \phi(x) + b = 0 \\

w = (1, 0, 0, -6, 3) $$

a) Yes

b) No

$$ 1: (2, 3), (3, 6) \\ -1: (1, 2), (0, 7) \\

a = (0, 2, 2, 1) \\ b = 0 + 2 - 2 - 1 = -1 $$

a) 36

b) 6

c) 0