Respuesta :

Hello there! :D

When you reflect something on the y-axis, you flip the y-point. If it's positive, then make it negative. Vice versa. 

(3,7) (x,y) 7 is the point. Make it negative.

(3,7) => (3,-7) That is the point.

I hope this helps!
~kaikers

Answer:

Hello there! :D

When you reflect something on the y-axis, you flip the y-point. If it's positive, then make it negative. Vice versa.

(3,7) (x,y) 7 is the point. Make it negative.

(3,7) => (3,-7) That is the point.

Step-by-step explanation: