2. If the diameter has endpoints at (6,-5) and (1,3), what must be the center of the circle? A(3,-1) H. (3,-2) D (2-2) 3. The following are equations of circle, which has a center of (-4,7)? A. (r + 4)+ (y + 7)- 9 8. (x+4)*+ (y-7) 9 C( +4)(y 7) 9 D(x + 4)+(y-7) 1 Which equation of the circle has its center at the origin? A. x² + (y - 3) = 6 B. (r + 8) + y - 25 C. (x + 1)'+ (y + 1)1 Dry 13 5. If the center is (11,6) and the radius is 4, which of the following is the equation of the circle? A (x + 11)+(y - 6)- 16 B (r - 11) (y + 5)' - 16 C (1 + 11)++ (y = 6)} = 4 D. (x - 11) + ( + 6) = 4 6. What is the center of the circle x' .y 4x4 10y +13 - 0? A (2,5) B. (-2,5) C. (2,-5) D(-2,5) 7. In the equation x + y -100, What is the radius of the circle? A 10 units B. 5 units C 10 units D. 50 units 8. The radius of a circle is 8 units and its center is at (-3,8). What is the equation of the circle? A (x+3)(y-8)=81 B (x-3) + (y+8)=9² C. (x-3)(y-8)= -81 D. (x + 3) + (y+8)9² 9 The center of a circle is (2.4) and the radius is 5 units. What is the equation of the circle? A (x + 2) + (y + 4) =5 B. (x-2) + (x+4) - 5(x2)(-4) 5² D. (x-2)(y-457
