Fill in the blank with one of the words or phrases listed below. Not all choices will be used and some choices may be used more than once.
The 
of a list of terms is the product of all common factors.
A. difference of two squares
B. perfect square trinomial
C. difference of two cubes
D. greatest common factor
Answer: D
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Find Dxy.y = x4 cosh-1 4x
A. 4x3 cosh-1 4x + 
B. 4x3 cosh-1 4x + 
C. 4x3 cosh-1 4x + 
D. 4x3 cosh-1 4x + 
Solve the problem.For what values of x would the rectangle have a perimeter of at least 260? 4x + 1 
A. 13 or greater B. 27 or greater C. 13 or less D. 27 or less
Complete the identity.The expression 
is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. tan x - sec x B. cot x + sin2x C. sin x + cos x D. cos x + 1
Find the standard form of the equation of the parabola.Focus at (-3, 2), directrix x = -11
A. (y - 2)2 = 16(x + 3) B. (x + 3)2 = 16(y - 2) C. (y - 2)2 = 16(x + 7) D. (x - 2)2 = 16(y + 7)