Need help with math problem if do get 5 star

Answer:
point b:(0,-4)point a(-7,0)
Step-by-step explanation:
you have to change the sign of a and b when u reflect over the opposite axis
Answer:
Point B: (7, -4)
Point C: (-7, -4)
Step-by-step explanation:
Given: Point A (7, 4)
Reflection across the x-axis: (x, y) --> (x, -y)
Point B: (7, -4)
Reflection across the y-axis: (x, y) --> (-x, y)
Point C: (-7, -4)
hope this helps and is right!! p.s. i really need brainliest :)