2013 · Q17
The system of equations 3x + y − 4 = 0 and 6x + 2y − 8 = 0 has
Elementary MathematicsAlgebra
- Aa unique solution x=1, y=1
- Ba unique solution x=0, y=4
- Cno solution
- Dinfinite solutions
Explanation
Second is twice the first; dependent → infinite solutions. Answer D.