Answer:
(7, - 4) and r = 7
Step-by-step 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 - 7)² + (y + 4)² = 49 ← is in standard form
with (h, k) = (7, - 4 ) and r = [tex]\sqrt{49}[/tex] = 7
