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1.7 Motion in the Coordinate Plane

- Expectation
- G3.1.1 Define reflection, rotation, translation,

and glide reflection and find the image of a

figure under a given isometry.

Anatomy of the Coordinate Grid.

Anatomy of the Coordinate Grid.

Transformations in the Coordinate Grid

Transformation notation T(x,y)

- Compete worksheet
- 1.7 Motion in the Coordinate Plane

Translations

- Horizontal Slides of h units
- T(x,y) (______, ____)

Vertical Slides of k units T(x,y) (_______,

_______)

Translations

- Translation h units horizontally and k units

vertically - T(x,y) (______, _______)

Reflections

- Over the x-axis T(x,y) (____, ____)

Over the y-axis T(x,y) (____, ____)

Rotations

- 180 centered at the origin T(x,y) (____,

____)

- A triangle ?ABD is reflected across the y-axis to

have the image ?ABDin the standard (x, y)

coordinate plane thus A reflects to A. The

coordinates of point A are (m,n). What are the

coordinates of point A? - (-m, n)
- m, -n)
- -m, -n)
- (n, m)
- Cannot be determined from the given information.

- Assignment
- pages 64 - 67,
- 8 30 (evens), 32 49, 54, 55.