Solve the system of equations using the inverse of the coefficient matrix.2x + y + 4z - w = 15 -x + 2y + z - 3w = 17 2x + 4y + 2z + w = 9 4x - y - z - 3w = 0
A. No solution
B. x = -3, y = 3, z = 4, w = -5
C. x = -1, y = 2, z = 3, w = -3
D. x = -1, y = -2, z = -3, w = 3
Answer: C
You might also like to view...
Solve the problem.The motion of a projectile that is fired at a 30° angle with the horizontal is given by x = v0
t, 
for t in 
Suppose a projectile is fired with an initial velocity of 650 feet per second at an angle of 30° with the horizontal. Find (a) the time when it reaches maximum altitude (b) the maximum altitude.
A. (a) 40.6 sec (b) 3301 ft B. (a) 17.6 sec (b) 14,854 ft C. (a) 20.3 sec (b) 11,434 ft D. (a) 10.2 sec (b) 1650 ft
Evaluate the factorial expression.
A. 1 B. 0! C. 21 D. 7
Solve the system by graphing.
A. (0, -2) B. (-4, -2) C. (-5, -1) D. (-2, 4)
Perform the following operation.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?