Solve the system of equations by Gauss-Jordan elimination.
A. {(18, 12, -6)}
B. {(12, 6, 0)}
C. {(9, 3, 3)}
D. ?
Answer: C
Mathematics
You might also like to view...
Write the fraction in lowest terms.
A. 
B. 
C. 
D. 
Mathematics
An glass of wine has a pH of 4.75. Find the hydrogen ion concentration of this solution.
A. 4.75 mol/L [H+] B. 5.62 × 10-10 mol/L [H+] C. 1.78 × 10-5 mol/L [H+] D. 1.78 mol/L [H+]
Mathematics
Find the center of the hyperbola. 16(x + 1)2 - 25(y - 2)2 = 400
A. (2, -1) B. (-1, 2) C. (4, 2) D. (1, -2)
Mathematics
Solve the equation.8x - 4x + 3x = 28
A. 
B. 
C. 21
D. 4
Mathematics