Solve the problem.Find the standard form of the equation of the circle. Assume that the center has integer coordinates and the radius is an integer. 
A. x2 + y2 + 2x - 4y - 4 = 0
B. x2 + y2 - 2x + 4y - 4 = 0
C. (x + 1)2 + (y - 2)2 = 9
D. (x - 1)2 + (y + 2)2 = 9
Answer: C
Mathematics
You might also like to view...
Find the sum of the infinite geometric series, if it exists.
A. - 
B. 
C. 5
D. - 5
Mathematics
Write the number in standard notation.7.49 × 10-4
A. -749,000 B. 0.0000749 C. 0.000749 D. 0.00749
Mathematics
Solve.If y varies directly as the square root of x, and y = 4 when x = 25, find y when x = 49.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem involving direct or inverse variation.If x varies inversely as v, and x = 36 when v = 9, find x when v = 81.
A. x = 81 B. x = 36 C. x = 9 D. x = 4
Mathematics