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