2010 · Q28
Under what condition do the equations kx-y = 2 and 6x-2y =3 have a unique solution?
Elementary MathematicsAlgebra
- Ak = 3
- Bk ≠ 3
- Ck = 0
- Dk ≠ 0
Explanation
Unique solution needs k/6 ≠ 1/2, i.e. k ≠ 3.
Under what condition do the equations kx-y = 2 and 6x-2y =3 have a unique solution?
Explanation
Unique solution needs k/6 ≠ 1/2, i.e. k ≠ 3.