Which of the following systems of equations has infinitely many solutions?
A. 3x - 5y = 12; 10y = 9x - 24
B. 8x - 4 = 6y; 12y + 8 = 16x
C. 4x - 7y = 4; -14y = 8x - 8
D. 5y = -9x - 3; -27x + 15y = 8

Question

Which of the following systems of equations has infinitely many solutions?
A.		 3x - 5y = 12; 10y = 9x - 24
B.		 8x - 4 = 6y; 12y + 8 = 16x
C.		 4x - 7y = 4; -14y = 8x - 8
D.		 5y = -9x - 3; -27x + 15y = 8

anonymous · Answer

Look at the equations in each system, and re-arrange them so you have x and y on one side. For the system with infinite solutions, you should find that one equation is just a multiple of the other.

jhonyy9 · Answer

B is right sure

jhonyy9 · Answer

if you like can prove ir

jhonyy9 · Answer

8x-4=6y multiply by 2
16x-8=12y
16x=12y+8

jhonyy9 · Answer

hope that is understandably so if yes please give me medal