Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z.4x - y + 3z=12x + 4y + 6z=-325x + 3y + 9z=20
A. no solution
B. (-8, -7, 9)
C. (2, -7, -1)
D. (8, -7, -2)
Answer: A
Mathematics
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Divide.1,830,000 ÷ 1000
A. 1830 B. 183,000 C. 183 D. 1.83e+09
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Decide whether the relation is a function.{(-4, 1), (-3, -6), (3, -8), (3, 4)}
A. Function B. Not a function
Mathematics
Solve the equation.- 
x - 
= 
x - 
A. - 
B. - 
C. - 
D. 
Mathematics
Add or subtract terms whenever possible.
+ 4
+ 3
A. 18
B. 7
C. 18
D. 7
Mathematics