Simplify the series of additions and subtractions.-8 + 2 + 6
A. -16
B. -4
C. -12
D. 0
Answer: D
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Find the equation of the parabola satisfying the given conditions. The vertex is at the origin.Focus (0, -3)
A. y2 = -3x
B. y = - 
x2
C. y2 = -12x
D. x2 = -12y
An undercover police officer is assigned the job of once a night walking each of the 48 blocks of a certain section of town described by the street grid shown below. The walk starts and ends at A. The officer wants to minimize the total number of blocks he has to walk each night.
An optimal eulerization of the graph representing this problem can be obtained by adding
A. 9 edges B. 12 edges. C. 10 edges. D. 11 edges. E. none of these
Solve the linear equation symbolically.-6(p + 2) = -p - 9 - 4p
A. -3 B. 3 C. 21 D. 8
Determine the local extrema of the function.f(x, y) = x2 + y2
A. f(1, 1) = 2, maximum B. none C. f(0, 0) = 0, minimum D. f(0, 0) = 0, maximum