16. The solution to the system x+y+z=2, x+y=1, 2x+2y + z =3 is: a. (t, 1+t, 1) b. (t, 1-t, 1) c. (t, 2-t, 1) d. (t, 1-t, 2) e. (t, 2-t, 2)
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(4) 2[-x - y]^2 + 3(y - x) (a) x = 0, y = -3 (b) x = -1, y = -2 (c) x = 4, y = -1 (5) (3x + y) / 4xy (a) x = 0, y = -3 (b) x = -1, y = -2 (c) x = 4, y = -1 (6) a^3 - 3a^2b + 3ab^2 - b^3 (a) a = 2, b = 3 (b) a = 0, b = -2 (c) a = -1, b = -3 (7) (a - b)^3 (a) a = 2, b = 3
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