Solve the following system by any appropriate method. If there is no real number solution, so state.x2 + y2 = 55
- 
= 1
A. (4, 
), (4, -
), (-4, 
), (-4, -
)
B. (4, 
), (4, -
), (-4, 
), (-4, -
)
C. (4, 
), (4, -
), (-4, 
), (-4 -
)
D. no real solution
Answer: C
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of its steady state value? Express answer in terms of R and L and round coefficient to the nearest hundredth.
A. 0.51 L/R seconds B. 0.92 L/R seconds C. 1.12 L/R seconds D. 0.71 L/R seconds
Express as a single logarithm and, if possible, simplify.
ln 4x6 - 
ln 2m5
A. 
ln (8 xm30)
B. ln 
C. ln 
D. 8 ln (xm30)
Solve.5x + 2y + z = -112x - 3y - z = 177x + y + 2z = -4
A. (3, 0, -4) B. (-3, 0, 4) C. (0, 6, -1) D. (0, -6, 1)
Perform the indicated operation.(4x2y2 + 7) - (-6xy - 2x2y2 + 7)
A. 12x2y2 B. 6x2y2 + 6xy C. 6x2y2 + 6xy - 14 D. 2x2y2 + 14