Question

If (x — 2)2 + (y — 3)2 (z + 4) = 0 what is the value of x + y + z? A) —4 B) 0 C) 1 D) 2

Answer 1

Answer:

1

Explanation:

(x-2)^2 = x equals 2 ( double roots)

(y-3)^2 = y equals 3 (double roots)

(z+4)^2 = -4 (double roots)

2 + 3 -4 =1