Reflections

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

What is the line of reflection for this set of triangles?

Back

y-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Name the transformation: When an object is flipped across a line.

Back

Reflection

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

When you reflect a shape, you ______ over an axis or line.

Back

Flip

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

Identify the transformation: A shape is flipped across the x-axis.

Back

Reflection across x-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the opposite of reflection in transformations?

Back

Translation or Rotation.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

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

Back

The x-coordinates of the points are negated.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is the effect of reflecting a shape across the x-axis?

Back

The y-coordinates of the points are negated.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

If a point A(3, 4) is reflected across the y-axis, what are the coordinates of A'?

Back

A'(-3, 4).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

If a point B(-2, 5) is reflected across the x-axis, what are the coordinates of B'?

Back

B'(-2, -5).

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5