Which equation has (2, -1) as a solution?

Question

a. y = 2x - 1
b. y = x + 3*
c. y = x - 3
d. y = -2x +1
check my answer plz

Answer 1

Yes, b.

Answer 2

thanks

Answer 3

You're welcome.

Answer 4

check for b)
LS = -1
RS = 2+3 ≠ -1 , so not b)

check for c)
LS = -1
RS = x-3 = 2-3 = -1 = LS
looks like c)