Find the unit vector in the direction of the given vector. Write your answer in the indicated form.Let u = 
. Find the unit vector in the direction of u, and write your answer as a linear combination of the standard unit vectors i and j.
A. 
i + 
j
B. 
i + 
j
C. i + j
D. 
i + 
j
Answer: A
Mathematics
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A. (-?, 0) ? (0, ?) B. (6, ?) C. (2, ?) D. (-6, ?)
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Determine if the series converges absolutely, converges, or diverges.
A. converges conditionally B. converges absolutely C. diverges
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Find an equation of the line with the given slope that passes through the given point. Write the equation in the form 
m = 
; (-2, 6)
A. x - 9y = -56 B. 9x - 9y = -56 C. x - 9y = -72 D. x - 9y = 56
Mathematics
Solve the equation.|x| - 12 = -13
A. {1, -1} B. {-1} C. {1} D. no solution
Mathematics