A) x2 + y2 = 49 B) x2 - y2 = 7 C) x2 + y2 = - 49 D) x2 - y2 = 7
A) (x - 3)2 + (y - 5)2 = 4 B) (x + 3)2 + (y - 5)2 = 4 C) (x - 3)2 + (y - 5)2 = 16 D) (x - 3)2 + (y + 5)2 =16
A) (x + 2)2 + (y + 4)2 = 3 B) (x + 2)2 + (y - 4)2 = 9 C) (x - 2)2 + (y - 4)2 = 9 D) (x - 2)2 + (y - 4)2 = 9
A) C(-4, -1) y r = 100 B) C(-4, 1) y r = 10 C) C(-4, -1) y r = 10 D) C(4, 1) y r = 100
A) C(1/2, 3/5) y r = 2 B) C(1/2, -3/5) y r = √2 C) C(1/2, -3/5) y r = 2 D) C(-1/2, -3/5) y r = √2
A) x2 + y2 + 8x + 14y - 16 = 0 B) x2 + y2 - 8x - 14y + 16 = 0 C) x2 - y2 + 8x - 14y - 16 = 0 D) x2 + y2 + 8x - 14y - 16 = 0
A) x2 + y2 + 4x + 18y + 69 = 0 B) x2 + y2 + 4x - 18y + 171 = 0 C) x2 + y2 + 4x + 18y - 171 = 0 D) x2 + y2 - 4x + 18y + 171 = 0
A) C(3, -2) y r = 7 B) C(3, 2) y r = 7 C) C(-3, -2) y r = 49 D) C(-3, 2) y r = 7
A) C(6, 4) y d = 12 B) C(6, - 4) y d = 6 C) C(-6, 4) y d = 6 D) C(6, - 4) y d = 12
A) C(2, -3/2), r = 2, x2 + y2 - 4x - 3y + 21/4 = 0 B) C(2, 3/2), r = 1, x2 + y2 + 4x - 3y + 21/4 = 0 C) C(2, 3/2), r = 1, x2 + y2 - 4x - 3y + 21/4 = 0 D) C(2, 3/2), r = 2, x2 + y2 - 4x - 3y + 21/4 = 0 |