Factor, if possible.x2 - 3xy - 18y2
A. (x - 6y)(x + y)
B. (x - 6y)(x + 3y)
C. (x - y)(x + 3y)
D. (x + 6y)(x - 3y)
Answer: B
Mathematics
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Use implicit differentiation to find dy/dx.xy + x = 2
A. 
B. - 
C. 
D. - 
Mathematics
Find two paths of approach from which one can conclude that the function has no limit as (x, y) approaches (0, 0).f(x, y) = 
What will be an ideal response?
Mathematics
Find the sum of the finite geometric sequence.
a. 43
b. 22
c. 127
d. 63
Mathematics
Use the Intermediate Value Theorem to determine whether the polynomial function has a zero in the given interval.f(x) = 9x4 - 7x3- 7x - 10; [-1, 0]
A. f(-1) = 13 and f(0) = 10; no B. f(-1) = -13 and f(0) = 10; yes C. f(-1) = -13 and f(0) = -10; no D. f(-1) = 13 and f(0) = -10; yes
Mathematics