Factor the trinomial, or state that the trinomial is prime. Check your factorization using FOIL multiplication.x2 - 4x - 12
A. (x - 2)(x + 1)
B. (x - 2)(x - 6)
C. (x + 2)(x - 6)
D. prime
Answer: C
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Solve the problem.Find the optimum number of batches (to the nearest whole number) of an item that should be produced annually (in order to minimize cost) if 270,000 units are to be made, it costs $2 to store a unit for one year, and it costs $520 to set up the factory to produce each batch. Assume that units of this item will be sold off throughout the year, so the cost equation will use the average cost.
A. 18 batches B. 16 batches C. 25 batches D. 23 batches
Find the first four terms of the binomial series for the given function.
-2
A. 1 - 
x + 
x2 - 
x3
B. 1 - 
x + 
x2 - 
x3
C. 1 - 
x + 
x2 - 
x3
D. 1 - 
x + 
x2 - 
x3
Find an equation of the line passing through the two points. Write the equation in standard form.(-5, -9) and (0, -7)
A. -2x - 5y = 35 B. 2x - 5y = 35 C. 4x + 7y = -49 D. -4x - 7y = -49
Use the properties of logarithms to evaluate the expression without the use of a calculator.log55
A. 5
B. 
C. 1
D. 0