Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered triple.-5x - y + 8z = 28-4x + 7y - 2z = 35-9x - 5y + z = -39
A. (1, 7, 5)
B. (-1, 5, 7)
C. (1, 5, 7)
D. (-1, 7, 2)
Answer: A
Mathematics
You might also like to view...
Use the discriminant to determine whether the quadratic equation has two unequal real solutions, a repeated real solution, or no real solution without solving the equation.x2 - 6x + 5 = 0
A. repeated real solution B. two unequal real solutions C. no real solution
Mathematics
Write the expression in the standard form a + bi.
A. 4 - 1i
B. 
- 
i
C. 
+ 
i
D. 
- 
i
Mathematics
Graph the system of inequalities.2x + 3y ? 6x - y ? 3y ? 2
A. 
B. 
C. 
D. 
Mathematics
Match the equation with the appropriate graph.f(x) = 
A. 
B. 
C. 
D. 
Mathematics