Question

X + Y =16 X^2 + Y^2 =256 What is x and y?

Answer 1

Answer:

X =16. & Y = 0.

Step-by-step explanation:

X + Y =16

Y = 16 - X................. 1

X^2 + Y^2=256

X^2 + (16-X)^2=256

X^2 + X^2 - 32X + 256 = 256

2X^2 = 32X

X^2 = 16X

X = 16. or X = -16.

put in 1

Y = 16 - 16

Y = 0.