2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 y=x2 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 y=x2 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 y= 2 + 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 y=( )2 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 y=( )2 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 y=( )2 |