Respuesta :

Answer:


Step-by-step explanation:

Let's solve for x.

x2+y2=16

Step 1: Add -y^2 to both sides.

x2+y2+−y2=16+−y2

x2=−y2+16

Step 2: Take square root.

x=√−y2+16 or x=−√−y2+16

Answer:

x=√−y2+16 or x=−√−y2+16