1. Transform x²+y²+8x-2y-64=0 in center- radius form of the equation of the circle
Solution:
x²+y²+8x-2y-64=0
Center: (-4,1)
Radius: 9
2. Find the center and the radius of a circle represented by the equation below
a. x²+y²=49
Center: (0,0)
Radius: 7
b. (x+7)² + (y+8)² =64
Center: (-7,-8)
Radius: 8
3. Write the standard equation of a circle with the given center and radius.
a. (0,0); radius =7
Standard Equation:
b. (-4,4); radius=5
Standard Equation:
4. Graph the circle whose equation is x²+y²-6x-4y-3= 0
pa brainlest po tnx
