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. x + y + z = 92x - 3y + 4z = 7
A. 
B. 
C. 
D. no solution
Answer: B
Mathematics
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Solve the system of equations by the substitution method. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent or dependent.8x + 8y = 37x + 7y = 14
A. No solution; inconsistent system B. (2, 7) C. Infinitely many solutions; dependent D. (1, 1)
Mathematics
Solve the system.
A. (-4, 1, 3) B. (3, -4, 1) C. (-4, 3, 1) D. no solution
Mathematics
Find the sum or difference. Write the answer in standard form.7i + (-3 - i)
A. -3 + 8i B. 3 - 6i C. -3 + 6i D. 3 - 8i
Mathematics
Evaluate.-150
A. -1 B. -15 C. 1 D. 0
Mathematics