caleb05veloso caleb05veloso

02-02-2021
Mathematics

contestada

Which system of equations has exactly one solution?
O 2x - 4y = 8
X+ y = 7
o 3x+y=-1
6x+2y = -2
3x+3y = 3
-6x-6y=3
3x-2y = 4
-3x + 2y = 4

Respuesta :

JustCayla JustCayla

02-02-2021

Answer: Most of them cross each other once so I am not sure which one is the answer (sorry)

Step-by-step explanation:

x+y=7 is parallel to 3x+3y=3 and -6x-6y=3

3x+y=-1 and 6x+2y=-2 have infinite solutions togther (both are on top of each other)

The rest of the ways cross each other once

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