Solve by the method of your choice.(x - 4)(2x + 3) = 4(x - 1) - 12
A. - 4, - 
B. 
± 
C. - 
± 
D. 
, 4
Answer: D
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Decide whether the statement is true or false. If it is false, tell why.If k is a positive number, then the equation -x2 = -144k has no real solutions.
A. False; the equation is equivalent to x2 = 144k, where x2 and 144k are positive, so it will have two real solutions B. False; the equation is equivalent to x2 = 144k, where x2 and 144k are positive, so the equation will have one real number solution C. True
Fill in the blank with one of the words or phrases listed below.
The 5 above is called the 
.
A. quotient B. dividend C. difference D. divisor
Factor the perfect square.x4 - 14x2 + 49
A. (x2 - 7)2 B. (x2 + 7)2 C. (x - 7)2 D. (x - 7)(x + 7)
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 at least three boys?
A. 0.3125 B. 0.1563 C. 0.5000 D. 0.4688