Section 1.7 – Motion in the Coordinate Plane

Translations

Horizontal translation of h units: H(x,y) => (x + h, y)

Vertical translation of v units: V(x,y) => (x, y + v)

Reflections Across the x- or y-axis

Reflection across the x-axis: M(x,y) => (x, -y)

Reflection across the y-axis: N(x,y) => (-x, y)

180° Rotations About the Origin

R(x,y) => (-x,-y)