Question

In each of the following systems of equations DETERMINE WHETHER the system has a unique solution, no solution or infinitely many solutions.
1.)2x+3y=7,6x+5y=11
2.)6x+5y=11,9x+15/2y=21
3.)-3x+4y=5,9/2x-6y+15/2=0
TELL WITH REASONS

Answer 1

1. unique solu.(intersecting lines)

2. no solution(parallel lines)

3. many solutions(overlapped lines)