Choose the correct graph of the given system of equations. y + 2x = −1 3 y − x = 4
Asked by maham237 @ in Mathematics viewed by 322 People
Answered by maham237 @
I believe it'd the one in the middle because if you plug in the values (1,1) both equations are true.
Plug x=1 and y=1 in equations:
LHS = 1 - 2*1 = 1-2 = -1 = RHS
LHS = 1 + 3*1 = 4 = RHS
So it's the graph in the middle.
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