Use Gauss-Jordan row reduction to solve the given system of equations.
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?
A. 
, z, u arbitrary
B. 
, z, u arbitrary
C. 
, z, u arbitrary
D. 
, z, u arbitrary
E. 
, z, u arbitrary
Answer: C
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Indicate whether the statement is true or false.A system of two linear inequalities can have solutions in only one quadrant.
A. True B. False
An object attached to a coiled spring is pulled down a distance a from its rest position and then released. Assuming that the motion is simple harmonic with period T, write an equation that relates the displacement d of the object from its rest position after t seconds. Also assume that the positive direction of the motion is up.a = 5;
T = 10 seconds
A. d = 5 cos (10t)
B. d = -5 cos (10t)
C. d = -5 cos 
D. d = 5 cos 
Solve the system by solving the corresponding matrix equation with an inverse, if possible.
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?
Enter the answer in the form 
, 
, 
.
What will be an ideal response?
The given point is on the graph of y = f(x). Find a point on the graph of y = g(x).g(x) = f(x) - 5; (8, 21)
A. (8, 16) B. (8, 14) C. (8, 17) D. (8, 20)