which rule matches the functions shown in the table?

Question

x y
-1 1
1 -1
2 -2

a. y=x+2
b. y= x-2
c. y= x-4
d. y= -x

Answer 1

Option (b) y = x - 2 matches the functions shown in the table.

When x = -1, y = (-1) - 2 = -3.
When x = 1, y = (1) - 2 = -1.
When x = 2, y = (2) - 2 = 0.

Therefore, the rule is y = x - 2.

Answer 2

The bot picked y = x - 2 and then proceeded to check:
Unfortunately all checks show that it picked the wrong equation

When x = -1, y = (-1) - 2 = -3. <------ should have been 1
When x = 1, y = (1) - 2 = -1. <------ should have been -1
When x = 2, y = (2) - 2 = 0. <------ should have been -2

so clearly the correct answer is
y = -x

Answer 3

This is weird :(