Find a unit vector at which the quadratic form xTAx is maximized, subject to the constraint xTx = 1.A = 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the equation of the line with the given properties.Is parallel to a line through (4, -9) and (6, 2) and has a y-intercept of (0, -4).
A. 11x - 2y - 8 = 0 B. 11x - 2y - 4 = 0 C. 11x - y - 8 = 0 D. 11x - 2y - 62 = 0
Mathematics
Solve the problem.How much work is required to move an object from x = 0 to x = 6 (measured in meters) in the presence of a constant force of 10 N acting along the x-axis?
A. 180 J B. 2 J C. ? D. 60 J
Mathematics
Draw the angle in standard position and state the quadrant in which it lies.495°
A. quadrant II
B. quadrant IV
C. quadrant III
D. quadrant I
Mathematics
Solve the problem.Given that P(A) = 0.51, P(B) = 0.42, and P(A ? B) = 0.64, find P(A ? B).
A. 0.35 B. 0.29 C. 0.93 D. 0.2142
Mathematics