Translations and rotations

reflecting when y=-x

flip x and y and change the signs

reflecting over the y-axis

(x,y) -> (-x,y0) horizontal line, change the sign of x

coordinate notation

(x,y) -> (x+a, y+b)

fuction notation

T[pre-image vector](name of object)

vector notation

[a,b]

notation in words

a yards right and b yards left

reflecting when y=x

flip x and y

reflecting over the x-axis

vertical line, change the sign of y, (x,-y)