Problem states.
which of the ordered pairs (0,0),
(-2,10),(-1,-5),(-3,9) are solutions for the equation y=5x?
my answer:
all first three except the last pair. so yes to (0,0),
(-2,10),(-1,-5)
You are correct on (0,0) and (-1,-5).
You are incorrect on (-2,10). y = 5x = -10 (not +10)