Question

Write the standard equation of the circle with radius 5 and a center (2,-1)

Answer 1

`{(x - 2)}^(2) + {(y + 1)}^(2) = 25`

Explanation:

In this case, h=2, k=-1, and r=5, so the equation is

`{(x - 2)}^(2) + {(y + 1)}^(2) = 25`