Reflections and Translations

Front

What is a reflection in geometry?

Back

A reflection is a transformation that flips a figure over a line, creating a mirror image.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the line of reflection for the point P = (4,-5) and its reflection P' = (-4,-5)?

Back

The line of reflection is the y-axis.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What does it mean to translate a figure?

Back

To translate a figure means to slide it from one position to another without changing its shape, size, or orientation.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

If a triangle is translated 5 units right and 3 units up, what is the new position of a point at (2, 1)?

Back

The new position is (7, 4).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the difference between reflection and translation?

Back

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

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the result of translating the point (3, 2) 3 units to the left and 9 units down?

Back

The new position is (0, -7).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Which transformation involves turning a figure around a point?

Back

Rotation.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the image of triangle X after a translation?

Back

It depends on the direction and distance of the translation.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

If triangle A is a reflection of triangle B, what can be said about their corresponding points?

Back

The corresponding points are equidistant from the line of reflection.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the effect of translating a figure 0 units in the x-direction and 0 units in the y-direction?

Back

The figure remains in the same position.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5