Solve by transforming the augmented matrix into row echelon form.
A. (7, 5, 3)
B. no solution
C. (7, 3, 5)
D. (-7, 5, 14)
Answer: A
You might also like to view...
Solve the problem.The period of vibration P for a pendulum varies directly as the square root of the length L. If the period of vibration is 2 sec when the length is 16 inches, what is the period when L = 4 inches?
A. 3 sec B. 1 sec C. 2.5 sec D. 2.75 sec
Determine whether the diagram could represent a function.
A. Yes B. No
Provide an appropriate response.A small company employs a supervisor at $1200 a week, an inventory manager at $800 a week, 5 stock boys at $400 a week each, and 3 drivers at $700 a week each.
A. $610 B. $1017 C. $550 D. $1260
Solve the problem. Round to the nearest tenth, if necessary.If an object is propelled upward from a height of 144 feet at an initial velocity of 128 feet per second, then its height h after t seconds is given by the equation 
After how many seconds does the object hit the ground?
A. 4.5 B. 11 C. 8.0 D. 9