Translations

Front

What is a translation in geometry?

Back

A translation is a transformation that moves every point of a figure the same distance in a specified direction.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

If point J is at (0, 0) and is translated 5 units to the left and 2 units up, what are the coordinates of point J'?

Back

(-5, 2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the image in a transformation?

Back

The image is the result of a transformation applied to a pre-image.

Tags

CCSS.HSG.CO.A.2

Front

How do you translate a point (x, y) 3 units right and 4 units down?

Back

(x + 3, y - 4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the algebraic notation for translating a point 2 units left and 5 units up?

Back

(x, y) --> (x - 2, y + 5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What does the notation (x, y) --> (x + a, y + b) represent?

Back

It represents a translation of a point (x, y) by 'a' units horizontally and 'b' units vertically.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

If triangle A'B'C' is translated to triangle ABC, what does this mean?

Back

It means that the vertices of triangle A'B'C' have been moved to the corresponding vertices of triangle ABC.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What transformation is represented by (x, y) --> (x - 4, y + 1)?

Back

This represents a translation 4 units left and 1 unit up.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the difference between pre-image and image?

Back

The pre-image is the original figure before transformation, while the image is the figure after transformation.

Tags

CCSS.HSG.CO.A.2

Front

If a point is translated 7 units down, what is the change in its y-coordinate?

Back

The y-coordinate decreases by 7.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5