Respuesta :

Answer:

Yes

Step-by-step explanation:

Remember: (x, y)

Substitute the coordinates to the variables (x and y):

Equation: y = -0.5x + 22

Substitution: 31 = -0.5(-18) + 22

31 = 9 + 22?

Correct! The coordinates substituted to its variables solve and make the equation make sense!