Translations, Rotations, Reflections

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

What are the coordinates of point C' after reflecting point C(3,1) over the line y=x?

Back

(1, 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the rule for translating a point (x, y) to (x + 2, y - 1)?

Back

(x + 2, y - 1)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

How does reflecting a figure over the y-axis affect its coordinates?

Back

It changes the x-coordinate of each point to its opposite.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the result of flipping a figure over a line?

Back

It is called a reflection.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What does a rotation in geometry involve?

Back

A rotation involves turning a figure around a fixed point at a certain angle.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

If trapezoid ABCD is translated 8 units down and 5 units to the right, what are the new coordinates of point A(2,3)?

Back

(7, -5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the effect of a reflection over the x-axis on the coordinates of a point?

Back

It changes the y-coordinate to its opposite.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the difference between a translation and a reflection?

Back

A translation slides a figure without changing its orientation, while a reflection flips it over a line.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the transformation that moves a figure without changing its size or shape?

Back

Translation.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5