Let u represent , v represent , and w represent . Solve first for u, v, and w. Then solve the system of equations. -  +  = 

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A. (1, -6, -7)
B. (1, -6, 7)
C.
D.

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Answer: A

Mathematics

Solve.x2 + y2 = 113x + y = -15

A. x = 7, y = -8; x = 8, y = -7 B. x = -7, y = -8; x = -8, y = -7 C. x = -7, y = 8; x = -8, y = 7 D. x = 7, y = 8; x = 8, y = 7

Translate into an equation and solve.A number divided by -0.0017 is 6.2.  

A. 0.1054 B. -0.01054 C. 0.0001054 D. -0.001054

Refer to the graph of the function f in the following figure. ? ? ? Find the value of x for which (i) f (x) = 2 and (ii) f (x) = 0. ?

A. f (3) = 4, f (0) = -2 B. f (3) = 2, f (2) = 0 C. f (3) = 2, f (1) = 0 D. f (4) = 2, f (3) = 0 E. f (4) = 2, f (2) = 0

Simplify the expression.3p2 + 7p3 - 9p2 - 5p3

A. -6p2 + 2p3 B. 10p2 - 14p3 C. -4p2p3 D. -4p2