step-by-step explanation:
y = | -2(-2) | β y = | 4 | β y = 4 β (-2, 4)
y = | -2(-1) | β y = | 2 | β y = 2 β (-1, 2)
y = | -2(0) | β y = | 0 | β y = 0 β (0, 0)
y = | -2(1) | c β y = | -2 | β y = 2 β (1, 2)
y = | -2(2) | β y = | - 4 | β y = 4 β (2, 4)