Use Cramer's Rule to solve the system of equations. Use technology to compute the determinants involved.
A. {(1, 2, 1)}
B. {(8, 1, 2)}
C. {(8, -1, -2)}
D. {(9, -1, 2)}
Answer: B
You might also like to view...
Solve the problem.Sheila, Susan, and Rosie want to divide a cake fairly using the lone chooser method. The chooser, Rosie, was determined by drawing straws. Sheila and Susan agreed that Sheila would make the division of the cake. Assuming that each of them plays the game correctly, which of the following statements [A), B), C) or D)] cannot be true?
A. Rosie believes that her share is worth 2/3 of the cake; Susan believes that her share is worth 1/2 of the cake; Sheila believes that her share is worth 1/3 of the cake. B. Rosie believes that her share is worth 1/3 of the cake; Susan believes that her share is worth 1/2 of the cake; Sheila believes that her share is worth 1/3 of the cake. C. Rosie believes that her share is worth 1/3 of the cake; Susan believes that her share is worth 1/3 of the cake; Sheila believes that her share is worth 2/3 of the cake. D. Rosie believes that her share is worth 1/3 of the cake; Susan believes that her share is worth 1/3 of the cake; Sheila believes that her share is worth 1/3 of the cake. E. none of these
Solve the problem.Find the expected number of boys in a family of 6 children.
A. 4 B. 3.75 C. 3.5 D. 3
Write a fraction to represent the shaded part of the object.
A. 
B. 
C. 
D. 
Determine the quadratic function whose graph is given.
A. f(x) = -x2 + 6x - 5 B. f(x) = x2 + 6x + 5 C. f(x) = -x2 - 6x - 5 D. f(x) = -x2 + 6x + 5