Geometry Transformations in Coordinate Plane

Congruence

• when a shape is enlarged

• when two figures are the same size and same shape

• when the rotation moves two quadrants

Tags

CCSS.8.G.A.2

Dilation

• a transformation that enlarges or reduces a figure

• all types of transformation

• when we "flip" across a line of reflection

Tags

CCSS.8.G.A.3

Pre-Image

• a shape or figure after a transformation, the new figure

• a transformation that rotates around the origin

• a shape or figure before a transformation; the original figure

Tags

CCSS.HSG.CO.A.2

Identify the transformation from ABC to A'B'C'.

• 90^o clockwise rotation

• 90^o counter clockwise rotation

• Reflection across the y-axis

• Reflection across the x-axis

Tags

CCSS.HSG.CO.B.6

If you were to rotate ABCD 180°  about the origin, what would the coordinate of A' be?

• (-5, 5)

• (-3, -5)

• (-5, 3)

• (-3, 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Determine how to translate triangle A'B'C' to triangle ABC.

• right two, down five

• right two, down 9

• left two, down 9

• left two, down 5

Tags

CCSS.HSG.CO.A.2

Translations are always _______

• Congruent

• Bigger

• Smaller

• Rotated

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is this picture an example of? 

• An angle

• A cat vertex 

• Rotation 

• Dilation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What axis is the triangle being reflected over?

• X-axis

• Y-axis

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which transformation is NOT a rigid motion (the size changes)?

• reflection

• rotation

• dilation

• translation

Tags

CCSS.HSG.CO.B.6