Rigid Motions and the Constructions

A __________ is defined as using a line and it takes a point to another point that is the same distance from the given line, is on the other side of the given line, and so that the segment from the original point to the image is perpendicular to the given line.

• dilation

• translation

• rotation

• reflection

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

True or False: A figure has symmetry if there is a rigid transformation which takes it onto itself.

• true

• false

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of these constructions would construct a line of reflection that takes point A to point B?

• Construct a line parallel to line AB.

• Construct the line passing through A and B.

• Construct a line through B perpendicular to segment AB.

• Construct the perpendicular bisector of segment AB.

Tags

CCSS.HSG.CO.B.6

Identify the rigid transformation shown in the picture

• Translation

• Reflection

• Rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What does a translation do in math?

• Moves an object left or right or up or down

• Flips an object

• Moves in an object in a circular motion either CW or CCW

• None of these

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Does the order matter when doing a sequence of rigid motions?

• Yes

• No

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Determine where X' would be if you translated X 3 units to the left and 9 units down.

• (-4, 4)

• (-10, 2)

• (-4, -5)

• (-1, 5)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What rule describes the translation?

• (x - 6, y + 2)

• (x - 2, y + 6)

• (x + 2, y - 6)

• (x + 6, y - 2)

Tags

CCSS.HSG.CO.A.2

Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

You want to reflect a figure over the horizontal line shown. 
What directions would you give? 
Reflect over the line: ________

• x = -4

• y = -4

• x - y = 4

• None of these

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5