Find the center and radius of the circle by completing the square.x2 + y2 + 18x + 6y + 26 = 0
A. (3, 9); r = 64
B. (9, 3); r = 64
C. (-3, -9); r = 8
D. (-9, -3); r = 8
Answer: D
Mathematics
You might also like to view...
Find the absolute value.
A. 45.4 B. 0 C. -22.7 D. 22.7
Mathematics
Sketch the given surface.z = x2 + 4y2
What will be an ideal response?
Mathematics
Find the product AB, if possible.A = 
, B = 
A. 
B. 
C. 
D. AB is not defined.
Mathematics
Solve the system of equations by the substitution method.
A. infinite number of solutions B. no solution C. (-1, 15) D. (15, -1)
Mathematics