Solve the system using elimination. 6x - 6y = 6-12x + 12y = -18
A. (
, - 
)
B. (2, 3)
C. all points on the line 6x - 6y = 6; dependent system
D. empty set; inconsistent system
Answer: D
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Solve the problem.How many seconds after the switch in an RL circuit is closed will it take the current i to reach 
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
The number of cars sold weekly by a new automobile dealership grows according to a linear growth model. The first week the dealership sold two cars (P0 = 2). The second week the dealership sold six cars (P1 = 6).If the manager gets a $100 bonus for every car sold, how much total bonus money did the manager make in the first four weeks?
A. $3200 B. $8000 C. $1400 D. $5600 E. none of these
Rotate the axes so that the new equation contains no xy-term. Graph the new equation.x2 + 2xy + y2 - 8x + 8y = 0
A. 
B. 
Find n(A) for the set A.A = {700, 701, 702, . . ., 7000}
A. n(A) = 7000 B. n(A) = 6301 C. n(A) = 6300 D. n(A) = 4