Answer:
x^2 + y^2 - 4y - 15 = 6
x^2 + y^2 - 4y = 21
x^2 + y^2 - 4y + 4 = 25
x^2 + (y - 2)^2 = 5^2
r = 5
5 meters per minute or 5/1 or 5:1
Step-by-step explanation:
The given linear equation is
To solve for y, we first subtract 3x from both sides to obtain:
Divide through by 5
This simplifies to
Or