Practice Test 5 – Matrices

CALCULATOR WORK. YOU MAY USE A CALCULATOR ON THIS PART: _____1) Give the solution to the system of equations as an ordered triplet: 2 - 3) Given the system of equations: _____ 2a) Calculate D _____ 2b) Calculate Dy _____ 3) What is the . exact value. of y in the solution to the system? 4) Solve: x + y + z = 4 ................
................