Write the equation for the circle described.Center at (3, 8), passing through (6, 12)
A. (x + 8)2 + (y + 3)2 = 9
B. (x + 3)2 + (y + 8)2 = 25
C. (x - 8)2 + (y - 3)2 = 9
D. (x - 3)2 + (y - 8)2 = 25
Answer: D
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Solve the problem.The accompanying figure shows the graph of y = -x2 shifted to a new position. Write the equation for the new graph.
A. y = -(x + 3)2 B. y = -x2 - 3 C. y = -(x - 3)2 D. y = -x2 + 3
(8, -8); (-9, 3)
A. 
B. 
C. - 
D. - 
Write the first four terms of the sequence whose general term is given.an = -3(n + 2)!
A. -18, -72, -360, -2160 B. -18, 144, -1080, 8640 C. -6, 18, -72, 360 D. -6, -36, -216, -1440
Solve the problem.Bob can overhaul a boat's diesel inboard engine in 15 hours. His apprentice takes 30 hours to do the same job. How long would it take them working together assuming no gain or loss in efficiency?
A. 6 hr B. 45 hr C. 4 hr D. 10 hr