Provide an appropriate response.Which one of the following methods cannot be used to solve the equation 
A. Completing the square
B. Factoring
C. All of the methods can be used.
D. Quadratic formula
Answer: B
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Solve the problem.The time, T, in seconds required for a pendulum of length L feet to make one swing is given by 
How long is a pendulum (to the nearest hundredth of a foot) if it makes one swing in 2 seconds?
A. 3.56 ft B. 6.48 ft C. 3.24 ft D. 10.19 ft
Solve by completing the square to obtain exact solutions.8x2 + 30x + 25 = 0
A. - 
, - 
B. 
, 
C. 
, 
D. - 
, - 
Factor.m3 - 729n3
A. (m + 729n)(m2 - n2) B. (m - 9n)(m2 + 9mn + 81n2) C. (m + 9n)(m2 - 9mn + 81n2) D. (m - 9n)(m2 + 81n2)
Solve the problem.Suppose that a family has 5 children and that the probability of having a girl is 
. What is the probability of having no girls?
A. 0.31255 B. 0.03125 C. 0.15625 D. 0.06252