1. What are the coordinates of the center and the length of the radius of the circle,
x + y = 492
A. C(0, 0)
B. C10,0)
r = 49
r7
C. C17, 7)
D. C/7, 7)
= 49
re7
2. What are the coordinates of the center and the length of the radius of the circle,
x + y - 250?
A C(0, 0)
B C(0, 0)
r= 25
r5
C. C(5, 5)
D. C(5, 5)
---25
--5
3. Which of the following are the coordinates of the center and the length of the
radius of the circle, (x - 2)2 + y - 25 = 0?
A. C(2,0)
725
C. C(2,0)
B. C(2, 5)
- 25
D. C(2,25)
4. What are the coordinates of the center and the length of the radius of the circle,
(x - 3) + (+ 1)2 = 81?
A. C-3, 1)
B. C(3,-1)
81
81
C. C(-3,0)
D. C(3,-1)
7 - 9
r=9
5. Given the equation of a circle, (x + 2)+ y - 1)2 = 169, identify the
coordinates of the center and the length of the radius.
A. CE-2,1)
= 13
C. C(2, -1) =13
B. C(2, -1)
D. CF-2, 1) = 14
6. Which of the following is a standard equation of a circle?
A. (x-3)2 + (y + 2) = 16 C.(x2-3) - (y? - 2) = 16
B. (x-3)2-(y-2)' = 16 D. (x2+3) + (y + 2) = 16
7. What is the equation of a circle whose center is at (-3,2) and has a radius of
Il units
A (x+3)+(y-2)2 = 121 C. (x-3)2 + (y + 2)2 = 121
B. (x-2) + (y + 3) = 121 D. (x + 2)2 + (y - 3)2 =121
PA HELP PO PLS COREECT ANS​