Find the unit vector in the same direction as the given vector.v = -12i - 5j
A. u = - 
i - 
j
B. u = 
i + 
j
C. u = -156i - 65j
D. u = - 
i - 
j
Answer: A
Mathematics
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Solve the problem.A cube 4 inches on an edge is given a protective coating 0.1 inches thick. About how much coating should a production manager order for 1000 cubes?
A. About 4800 in.2 B. About 1600 in.2 C. About 9600 in.3 D. About 6400 in.3
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Use synthetic division to determine whether x - c is a factor of the given polynomial.2x3 - 13x2 - 38x + 112; x + 6
A. Yes B. No
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Use the quadratic formula to solve the quadratic equation.x2 - x = 6
A. x = -2, 3 B. x = 1, 6 C. x = -2, -3 D. x = 2, 3
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Find the area between the curves.y = x3, y = x2
A. 
B. 
C. 
D. 
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