Glide Reflections

True or false: the diagram an example of a glide reflection.

• True

• False.

Tags

CCSS.8.G.A.3

What would the coordinate of A" be after being reflected over the x-axis then (x,y)-(x + 3, y + 2)?

• (-5, 5)

• (-3, 6)

• (-6, 3)

• (6, -3)

Tags

CCSS.HSG.CO.A.2

Is the diagram an example of a glide reflection?

• Yes, the direction of the translation is parallel to the line of reflection.

• No, the direction of the translation is not parallel to the line of reflection.

Tags

CCSS.8.G.A.3

Find the image of A( -3, 5) after translating (x,y) --> (x , y - 4) then reflecting across the y-axis. Show your work on the graph. Label each point.

• (3,1)

• (3, -1)

• (-1, 5)

• (-1, 3)

Tags

CCSS.8.G.A.3

the composition of a translation followed by a reflection in a line parallel to the translation vector.

• glide reflection

• translation

• isometry

• composition of isometries

Tags

CCSS.8.G.A.3

If AA"=18, what is the distance between lines l and m?

• 36

• 9

• 4.5

• 72

Tags

CCSS.HSG.CO.C.9

If the distance between l and m is 12, then what is AA"?

• 6

• 24

• 48

• 3

Tags

CCSS.6.G.A.3

If the distance between l and m is 6, then what is AA"?

• 24

• 12

• 48

• 3

Tags

CCSS.HSG.GPE.B.7

If AA"=10, what is the distance between lines l and m?

• 2.5

• 5

• 10

• 20