Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.x2 + y2 + 2x - 2y - 4 = 0
A. a. center = (-1, 1); radius = 
b. (-1 + 
, 0), (0, 1 + 
)
B. a. center = (-1, 1); radius = 
b. (-1 + 
, 0), (-1 - 
, 0), (0, 1 + 
), (0, 1 - 
)
C. a. center = (-1, -1); radius = 
b. (-1 + 
, 0), (-1 - 
, 0), (0, 1 + 
), (0, 1 - 
)
D. a. center = (1, -1); radius = 
b. (-1 + 
, 0), (-1 - 
, 0), (0, 1 + 
), (0, 1 - 
)
Answer: B
Mathematics
You might also like to view...
Find the effective annual interest rate for the given nominal annual interest rate. Round your answers to the nearest 0.01%.4% compounded semiannually
A. 4.06% B. 4.07% C. 4.04% D. 4.00%
Mathematics
Solve the equation for the specified symbol.V = 
for ?
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Mathematics
Solve the proportion.
= 
A. 351
B. 216
C. 
D. 
Mathematics
Find the x- and y-intercepts, and graph the equation.y = 7
A. None; (0, 7)
B. None; (0, 7)
C. (7, 0); none
D. (7, 0); none
Mathematics