Transformation Rules

*a* units to the right

(x+a, y)

*a* units to the left

(x-a, y)

*b* units up

(x, y+b)

*b* units down

(x,y-b)

90 degrees rotation

(-y,x)

180 degrees rotation

(-x,-y)

270 degrees rotation

(y,-x)

360 degrees rotation

(x,y)

reflection across x-axis

(x, -y)

reflection across the y-axis

(-x,y)

reflection across the line y=x

(y,x)

reflection across the line y = -x

(-y,-x)