Question

Which equation has (2, -1)

as a solution?
1. y = 2x - 1
2. y=x+3
3. y=x-3
4= y= -2x + 1

Answer 1

3. y = x - 3

Explanation:

when x is 2 y should equal -1

only one that does that is

option 3

-1 = 2 - 3