Use Cramer's rule to solve the system. If D = 0, use another method to complete the solution. x + y + z - w = 6 2x - y + 3z + 4w = -4 4x + 2y - z - w = -13 -x - 2y + 4z + 3w = 12
A. ?
B. {(-4, 3, 5, -2)}
C. 
D. {(4, -3, -5, 2)}
Answer: B
Mathematics
You might also like to view...
Find the complete solution of the system.  figure 1.png)
What will be an ideal response?
Mathematics
Find the area or volume.Find the volume of the solid generated by revolving the region in the first quadrant under the curve 
bounded on the left by x = 1, about the x-axis.
A. 8?
B. 
?
C. 64?
D. 
?
Mathematics
Add or subtract as indicated.
+ 
A. 
B. 
C. - 
D. 
Mathematics
In real estate, a house's selling price P is found by adding the real estate agent's commission C to the amount A that the seller of the house receives: 
Rachel's house sold for $360,000. Her real estate agent received a commission of $25,200. How much did Rachel receive?
A. $334,800 B. $385,200 C. $334,700 D. $334,900
Mathematics