Question

write the standard equation of the circle with the center (-4,3) and a radius of 5

Answer 1

(x - x₀)² + (y - y₀)² = r²
x₀=-4;  y₀=3;  r=5; 

(x - (-4))² + (y - 3)² = 5²
(x + 4)² + (y - 3)² = 25