Solve the equation by completing the square.x2 + 16x = -43
A. {8 - 
, 8 + 
}
B. {8 + 
}
C. {-8 - 
, -8 + 
}
D. {-16 + 
}
Answer: C
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Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.cot 
A. 2.21 B. 127.53 C. 127.66 D. 2.08
Find the vertical asymptote(s) of the graph of the given function. f(x) = 
A. y = -2, y = 4 B. x = 4 C. x = -2, x = 4 D. x = 2, x = -4
Solve the problem.A carousel has a radius of 18 feet and takes 29 seconds to make one complete revolution. What is the linear speed of the carousel at its outside edge? Express the answer in feet per second. If necessary, round the answer to two decimal places.
A. 3.9 feet per second B. 10.12 feet per second C. 0.62 feet per second D. 113.1 feet per second
Find the midpoint of the segment with the given endpoints.(9, -8) and (0, 5)
A. (9, -3)
B. (9, -13)
C. 
D. 