Reflection Over Vertical Line

What is a reflection?

• When you turn an object around a point.

• When you flip or mirror an object across a line.

• When you slide an object from one place to another.

• When you resize an object.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect Point C over the y-axis:

• (-3, 2)

• (3,2)

• (-2,3)

• (3,0)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Describe the transformation in the image

• Translation

• Reflection

• Rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A type of transformation where a figure is “flipped” over a line of symmetry. A reflection produces a mirror image of a figure.

• rotation

• translation

• dilation

• reflection

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect Point C over the line x = 1

• (-1, 2)

• (3, 0)

• (0, 2)

• (3, -1)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

• (3,3)

• (1,3)

• (-1,3)

• (1,-3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Given pre-image point (1,-4)

Plot the pre-image & image after a reflection over the line x = 2

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect the image across x = -3

• I' (-1,-1) P' (-2,2) S' (-4,1) W' (-4,3)

• I' (-1,-1) P' (-2,-2) S' (-4,1) W' (-4,3)

• I' (-1,-1) P' (-2,-2) S' (-4,-1) W' (-4,3)

• I' (-1,-1) P' (-2,-2) S' (-4,1) W' (-4,-3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The picture shows a reflection over what line?

• x=-2

• y=x

• y=-x

• x=2

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Name the transformation.

• Translation

• Reflection

• Rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5