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Which system of equations has exactly one solution? - 2x-4y= 8 x+y=7 3x+y=-1 x-2y =-2 3x+3y=3 -Ex-by=3 3x-2y=4 -3x+2y=4

Which system of equations has exactly one solution? - 2x-4y= 8 x+y=7 3x+y=-1 x-2y =-2 3x+3y=3 -Ex-by=3 3x-2y=4 -3x+2y=4
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5 votes
Which system of equations has exactly one solution?

-
2x-4y= 8
x+y=7
3x+y=-1
x-2y =-2
3x+3y=3
-Ex-by=3
3x-2y=4
-3x+2y=4

User Ricconnect
by
8.3k points

1 Answer

7 votes
I think the answer is A) 2x-4y=8
x+y=7 because it intersects at (6,1) so it has exactly one solution
User Taylor Riggan
by
8.3k points
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