Answer :
X = 5
Y = -11
Plug and check.
-11 = -1-2(5)
-11 = -1-10
-11 = -11
So, the point (5, -11) does lie of the graph of y = 1 - 2x
Y = -11
Plug and check.
-11 = -1-2(5)
-11 = -1-10
-11 = -11
So, the point (5, -11) does lie of the graph of y = 1 - 2x