Find an equation for the circle.Endpoints of a diameter (-5, 3), (-5, -3)
A. (x + 5)2 + y2 = 9
B. x2 + (y - 3)2 = 25
C. (x + 5)2 + y2 = 3
D. (x - 3)2 + y2 = 25
Answer: A
Mathematics
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Solve the problem.Find the point on the curve x = 4 sin t, y = cos t, - 
? t ? 
, closest to the point 
. (Hint: Minimize the square of the distance as a function of t.)
A. (4, 0)
B. 
C. 
D. (-4, 0)
Mathematics
Round the number as indicated.6,450,547 to the nearest million
A. 10,000,000 B. 5,000,000 C. 7,000,000 D. 6,000,000
Mathematics
Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by the circle x2 + y2 = 16, on the right by the line 
, and above by the line y = 4
A. 
?
B. 
?
C. 64?
D. 16?
Mathematics
Write < or > between the pair of numbers to make the statement true.0 ? -2
A. < B. >
Mathematics