Solve the system by using Gaussian elimination with backward substitution or by reducing the matrix to reduced-row echelon form.x - y + z = 4x + y + z = 0x + y - z = 2
A. No solution
B. (3, -1, -2)
C. (3, -2, -1)
D. (-1, 3, -2)
Answer: C
Mathematics
You might also like to view...
Use ? or ? in the blank to make a true statement.{3, 31, 36} {16, 31, 36, 46}
A. ? B. ?
Mathematics
Solve the problem.Alex must wrap two boxes. Both boxes are right rectangular prisms. The smaller box has a length of 12 inches. The larger box is similar to the first and has a length of 48 inches. Find the ratio of the amount of paper needed to wrap the large box to the amount of paper needed to wrap the small box.
A. 8 : 1 B. 64 : 1 C. 4 : 1 D. 16 : 1
Mathematics
Convert.7.67 m = _____ cm
A. 76.7 B. 0.767 C. 0.0767 D. 767
Mathematics
Solve the equation.-3.49 = 
A. b = -5.00 B. b = 10.51 C. b = -48.86 D. b = 9.51
Mathematics