Find the center and radius of the circle.x2 + y2 + 2y = 8
A. (1, 0); 4
B. (0, -1); 3
C. (0, 1); 3
D. (0, 2); 2
Answer: B
Mathematics
You might also like to view...
The amount D, in milligrams, of a drug in the bloodstream t minutes after injection is given by
.
?
There are two times when there are 7 milligrams of the drug in the bloodstream. Find both times. Round your answer to two decimal places if necessary.
A. There are never 7 milligrams of the drug in the blood.
B. 
and 
C. 
and 
D. 
and 
Mathematics
Divide.
A. 96
B. -6
C. 6
D. - 
Mathematics
Determine algebraically whether the function is even, odd, or neither.f(x) = 
A. even B. odd C. neither
Mathematics
Use technology (such as spreadsheet web site utilities, or a graphing calculator) to evaluate the function for 
.
?
?
Round the answer to four decimal places if necessary.
?
A. 0.8572
B. 1.1666
C. 0.6721
D. 1
E. 28.4
Mathematics