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= 7x - y + 2z=72x + 3z=14
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Write the decimal as a fraction. Do not simplify.6.005
A. 
B. 
C. 
D. 
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Find the value of the determinant.
A. -7 B. 5 C. -5 D. 1
Mathematics
Evaluate the expression without using a calculator.log3
A. 
B. 6
C. -2
D. 2
Mathematics
Prove the identity.4 cot 4x = 2 cot 2u - 2 tan 2u
What will be an ideal response?
Mathematics