Translations and Reflections

Front

What is the algebraic notation of a figure that is Translated 6 units right and 5 units up?

Back

(x, y) --> (x + 6, y + 5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is a reflection?

Back

When you flip or mirror an object across a line.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

When you translate (x, y + 5), it will move _____?

Back

5 units up.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Triangle ABC is going to be translated. Where would A' position be at, if the translation was (x,y) --> (x+3, y-2)?

Back

(5,3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Which answer shows a reflection across the x-axis?

Back

c

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is a translation in geometry?

Back

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

If a point (2, 3) is translated 4 units left and 2 units down, what is the new position?

Back

(-2, 1)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the effect of reflecting a point across the y-axis?

Back

The x-coordinate changes sign, while the y-coordinate remains the same.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the algebraic notation for reflecting a point (x, y) across the x-axis?

Back

(x, y) --> (x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What happens to the coordinates of a point when it is reflected across the line y = x?

Back

The coordinates switch places: (x, y) --> (y, x).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5