Question

The pair of equations 2x-5y+4=0 and 2x+y-8=0 has
A. Exactly two solutions
B. Infinity many solutions
C. A unique solution
D. No solution​

Answer 1

Answer:

2x-5y+4=0 and 2x+y-8=0 has

c) a unique solution .

It is because here, a1/ a2 ≠ b1/b2

i.e 2/2 ≠ -5/1

so, they are intersecting lines which have a unique solution and are consistent.

hope it helps.