Find the magnitude of u × v and the unit vector parallel to u × v in the direction of u × v.u = -8i - 4i + 4k, v = 0
A. 0; -8i - 4i + 4k
B. 0; no direction
C. 0; 
(-8i - 4i + 4k)
D. 4
; 
(-8i - 4i + 4k)
Answer: B
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Solve the system of equations by Gaussian elimination. If there is an unlimited number of solutions, find two of them. 2x + y = -1 4x + 2y = -2
A. Inconsistent B. x = -5, y =-2 C. x = 2, y = -5 D. x = -5, y = 2
Identify any vertical, horizontal, or oblique asymptotes in the graph of y = f(x). State the domain of f.
A. Vertical: x = 4; oblique: y = x + 5; (-?, 4) ? (4, ?) B. Vertical: x = -4; oblique: y = x - 5; (-?, -4) ? (-4, ?) C. Vertical: x = -4; oblique: x = y - 5; (-?, -4) ? (-4, ?) D. Vertical: x = 4; oblique: y = x + 5; (-?, -4) ? (-4, ?)
What term of the arithmetic sequence is the given number?
, 
, - 
, . . . ; - 
A. 32 B. 35 C. 33 D. 30
Match the function with its graph.f(x) = 
A. 
B. 
C. 
D. 