Question

(x - 2)2 + (y + 3)2 =1).
What is the radius ?

Answer 1

radius = 1

Explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

(x - 2)² + (y + 3)² = 1 ← is in standard form

with r² = 1 ( take the square root of both sides )

r =
`√(1)` = 1