can i have some help? subject is stretching and reflecting quadratic functions

Answer:
(5,5)
(-3,-15)
(6,-12)
(-2,8)
Step-by-step explanation:
Multiply the value of "a" with the coordinates.
#1
y=ax²
Coordinates (1,5)
#2
So
Coordinates (5,-15)
#3
So
Coordinates (-2,-12)
#4
So
Coordinates (-4,8)