98 pointsdetermine the standard form of the equation for the circle with center (h, k)=(-5,1/2) and radius r=1 a) (x-5)^2 + (y + 1/2)^2 = 1 b) (x-5) + (y - 1/2) = 1 c) (x+5)^2 + (y - 1/2)^2 = 1 d) (x+5)^5 + (y- 1/2)^2 = 105/2