Use matrices to solve the system of equations (if possible). Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.
A. x = -3, y = -4
B. x = 4, y = 3
C. x = -4, y = -3
D. x = -3, y = 4
E. no solution
Answer: C
Mathematics
You might also like to view...
Evaluate the expression.72 ÷ 7 ? 5 + 1
A. 36 B. 28 C. 34 D. 35
Mathematics
Find the unknown length in the right triangle. 
A. b = 16 ft B. b = 20 ft C. b = 19 ft D. b = 14 ft
Mathematics
Graph.x2 - y2 = 32
A. 
B. 
C. 
D. 
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 6x2
A. 
B. 
C. 
D. 
Mathematics