Plan B will work for 3 days multiplied by 24 hours (:
Hello,
Remenber:
if S=(0,0) y²=2px then F=(p/2,0 and d:x=-p/2
Let's pose
x'=x-3
y'=y-1 axes passing by the point (3,0) in base (x,y) and (0,0) in base (x',y')
y'²=2p'x'
d': x'=-5=-p'/2 ==> p'=10 and y²=20x'
Returning in base (x,y) : (y-1)²=20(x-3)
Answer B
Is -2 and option cause tbh that’s what i keep getting
The formula for a circle is (x - h)^2 + (y - k)^2 = r^2
Where (h, k) is the center and r is the radius.
x^2 + (y - 8)^2 = 25
25 = r^2
So the radius is sqrt 25 or 5.
Radius = 5
