Answer:
x=0
Step-by-step explanation:
substitute y=0
0= -x^2
then swap the sides
-x^2=0 ,
change the signs
x^2=0
set the base equal to 0
z= 125 because they are congruent and y = 55 because they are congruent
I hope this is good enough:
y = 1/2x
hope this help you!! ;))
and 