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Mrs. Harford
4-1
Question | Answer |
---|---|
Translation | (x,y)-->(x+a, y+b)Translation a units horizontally and b units vertically. |
Reflection | (x,y)-> (-x,y) Reflection across y-axis (x,y)-> (x,-y) Reflection across x-axis |
Rotation | (x,y)-> (y,-x)Rotation about (0,0), 90 degrees clockwise (x,y)->(-y,x) rotation about (0,0), 90 degrees counterclockwise (x,y)-> (-x,-y) Rotation about (0,0), 180 |
Dilation | (x,y)-> (kx,ky),k>0 Dilation with scale factor k and center (0,0) |