Transformational Geometry Review

What geometric transformation can we perform to change triangle ABC to triangle A'B'C' ? 

• Translate to the right 2 and down 5
• Translate to the left 2 and up 9
• Translate to the left 2 and down 9
• Translate to the left 2 and up 5

Tags

CCSS.HSG.CO.A.2

What kind of transformation “turns” a figure about a fixed point at a given angle and in a given direction.

• rotation
• translation
• reflection
• dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What kind of transformation changes the size of a figure, but not the shape?

• translation
• rotation
• reflection
• dilation

Tags

CCSS.8.G.A.3

Which graphs are illustrating a reflection?

• a and c
• b and c
• c and d
• a and d

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

• A
• D
• B
• C

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A transformation is performed from the red triangle to the blue triangle. What transformation could be occurring?

• Translation
• Rotation
• Reflection
• Dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

(5, 7) is reflected over the y-axis, what is the new point?

• (-5, 7)
• (5, 7)
• (5, -7)
• (-5, -7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A square has point A (8, 12). A dilation is performed and the image includes point A' (2, 3). What was the scale factor?

• ½
• ¼
• 4
• 2

Tags

CCSS.8.G.A.3

9.  Which figure can be transformed INTO figure P by a translation 2 units to the right followed by a reflection across the x-axis?

• figure J
• figure K
• figure L
• figure M

Tags

CCSS.8.G.A.3

10.  Which describes a possible sequence of transformations that transforms polygon GHJK into polygon G’H’J’K’ ?

• a 180-degree rotation about the origin, followed by a dilation centered at the origin with a scale factor of ¹/ ₂
• a reflection across the line , followed by a dilation centered at the origin with a scale factor of 2.
• a reflection across the y-axis, followed by a reflection across the x-axis, followed by a dilation centered at the origin with a scale factor of 2.
• a reflection across the y-axis, followed by a translation down 10 units, followed by a dilation centered at the origin with a scale factor of  ¹/₂

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2