Find the center and radius of the circle.x2 + y2 + 6x - 2y + 10 = 81
A. (-1, 3), r = 81
B. (-3, 1), r = 9
C. (1, -3), r = 9
D. (3, -1), r = 81
Answer: B
Mathematics
You might also like to view...
Evaluate the integral by making a substitution and then using a table of integrals. 
A. 4 sin-1
- 
+ C
B. 4 sin-1
- 
+ C
C. 
- 2 ln
+ C
D. 4 sin-1
+ x
+ C
Mathematics
Evaluate the integral.
A. 6i - 54j + 
k
B. 3i - 54j + 
k
C. 6i + 54j + 
k
D. 6i - 54j + 
k
Mathematics
Find the standard deviation. Round to one more place than the data.
A. 3.0 B. 0.9 C. 1.5 D. 2.7
Mathematics
List the coefficients of the polynomial. 9y - y2 - 2y4 + 
y6
A. 9y, - y2, -2y4 , 
y6
B. 1, 2, 4, 6
C. 9, 0, -2, 
D. 9, -1, -2, 
Mathematics