3.1-3-3 Geo Flashcard

Front

What is the result of a transformation called?

Back

Image

Front

How do you reflect the point (2, -4) over the x-axis?

Back

(2, 4)

Front

Translate shape B to shape A: 5 Left, 1 Up. What is the translation rule?

Back

(x, y) → (x - 5, y + 1)

Front

What is the translation rule for sliding 2 up and 3 right?

Back

(x, y) → (x + 3, y + 2)

Front

If you rotate point B(6, 5) 180° about the origin, what are the new coordinates?

Back

(-6, -5)

Front

What is a pre-image in geometry?

Back

The original figure before a transformation.

Front

Define the term 'translation' in geometry.

Back

A transformation that moves every point of a shape the same distance in a specified direction.

Front

What does it mean to reflect a point over the x-axis?

Back

To flip the point over the x-axis, changing the sign of the y-coordinate.

Front

What is the effect of a 90° clockwise rotation on the point (x, y)?

Back

(y, -x)

Front

What is the effect of a 90° counterclockwise rotation on the point (x, y)?

Back

(-y, x)