Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. x + y + z + w =7 3x - 2z + 5w=11-4x + 3y + w=4-x - y - z - w=6
A. {(
, 1, 
, -2)}
B. {(-11, 
, 
, -4)}
C. {(
, - 
, 5, - 
)}
D. ?
Answer: D
You might also like to view...
Solve the problem.A rocket lifts off the surface of Earth with a constant acceleration of 30 m/sec2. How fast will the rocket be going 2.5 minutes later?
A. -75 m/sec B. 37.5 m/sec C. 75 m/sec D. 187.5 m/sec
Use the given information to find the quadrant in which ? lies.cot ? < 0 and cos ? > 0
A. Quadrant I B. Quadrant II C. Quadrant III D. Quadrant IV
Solve. Round your answer to the nearest tenth, if necessary.An object is thrown upward from the top of a 
building with an initial velocity of 48 feet per second. The height, h, of the object after t seconds is given by the quadratic equation 
When will the object hit the ground?
A. In 5 seconds B. In 160 seconds C. In 2 seconds D. In 7 seconds
Find the product.(5x + 8y)2
A. 5x2 + 80xy + 64y2 B. 5x2 + 64y2 C. 25x2 + 80xy + 64y2 D. 25x2 + 64y2