Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x3 + 3x2 - 16x - 48
A. (x + 4)(x - 4)(x + 3)
B. (x - 4)2(x + 3)
C. Prime
D. (x2 - 16)(x + 3)
Answer: A
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Find the required part of the geometric sequence.Find a formula for the nth term of a geometric sequence with second term - and fifth term
.
A. an = n - 1
B. an = n - 1-
C. an = -
(n - 1)
D. an = -
(n - 1)
Solve the problem.The period of vibration P for a pendulum varies directly with the square root of the length L. If the period of vibration is 2 sec when the length is 16 inches, what is the period when inches?
A. 2.75 sec B. 0.75 sec C. 3 sec D. 2.5 sec
Solve the problem.Choose any two data points and use them to construct a linear equation that models the data, with x being Celsius and y Fahrenheit. Then use the equation to find the Fahrenheit temperature corresponding to 60° Celsius.
A. y = x + 32; 50° Fahrenheit
B. y = x + 32; 140° Fahrenheit
C. y = x + 32; 51° Fahrenheit
D. y = x + 32; 16° Fahrenheit
Solve the equation.9y2 + 27y + 20 = 0
A.
B.
C.
D.