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Vocabulary/Transformations

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# Vocabulary/Transformations - PowerPoint PPT Presentation

Vocabulary/Transformations. Quiz review. #1. Having the same size and shape congruent. #2. The figure formed by two rays with a common endpoint angle. #3. A point of a line that starts at one endpoint and extends forever ray. #4.

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### Vocabulary/Transformations

Quiz review

#1

Having the same size and shape

congruent

#2
• The figure formed by two rays with a common endpoint

angle

#3
• A point of a line that starts at one endpoint and extends forever

ray

#4

A perfectly flat surface that extends infinitely in all directions

Plane

#5

An exact location in space, it is usually represented as a dot, but it has no size

Point

#6

A part of a line between 2 endpoints

Line segment

#7

On an angle or polygon, the point where two sides intersect

Vertex

#8

A straight path that extends without end in opposite directions

Line

#9

A movement (slide) of a figure along a straight line

Translation

#10
• A change in the position or orientation of a figure

Transformation

#11
• A transformation of a figure that flips the figure across a line.

Reflection

#12

A plane formed by the intersection of a horizontal number line (x – axis) and a vertical line (y-axis)

Coordinate Plane

#13
• A transformation of a figure in which a figure is turned around a point

Rotation

#14

Reflect the triangle over the y-axis and give the coordinates of the reflected image.

A

B

A: (-9, 9)

B: (-3, 6)

C: (-5, 1)

C

#14 answer
• Reflection over the y-axis

A

B

A’: (9, 9)

B’: (3, 6)

C’: (5, 1)

C

#15

Translate the triangle 4 units down. Give the co-ordinates of the image’s vertices.

A

B

A: (-9, 9)

B: (-3, 6)

C: (-5, 1)

C

#15 - answer

Translation 4 units down.

A

B

A’: (-9, 5)

B’: (-3, 2)

C’: (-5, -3)

C

#16
• Rotate the image 90° counterclockwise around the origin. Give the co-ordinates of the image’s vertices.

A

B

A: (-9, 9)

B: (-3, 6)

C: (-5, 1)

C

#16 - answer
• 90° counterclockwise rotation

A

B

A’: (-9, -9)

B’: (-6, -3)

C’: (-1, -5)

C

#17
• Reflect the triangle over the x-axis and give the coordinates of the reflected image.

A

B

A: (-9, 9)

B: (-3, 6)

C: (-5, 1)

C

#17 - answer
• Reflection over the x-axis.

A

B

A’: (-9, -9)

B’: (-3, -6)

C’: (-5, -1)

C

#18
• If point A is (-19,7), give the ordered pair of A rotated 180 degrees around the origin.

A’ (19, -7)

#19
• A triangle has the following vertices: A(-2, 3) B(-5, -7) C(6,8). Rotate triangle ABC 90 ° counterclockwise around the origin and give the new coordinates.

A’(-3,-2)

B’(7,-5)

C’(-8, 6)

#20
• Give the ordered pair of point G(-3, -12) translated by (4,8).

G’ (1, -4)

#21
• Translate the figure below by (5, -6) and list the ordered pairs of the copy image.

A

B

A: (-9, 9)

B: (-3, 6)

C: (-5, 1)

C

#21 answer
• Translation of (5, -6)

A

B

A’: (-4, 3)

B’: (2, 0)

C’: (0, -5)

C

#22

What type of transformation is shown?

Translation

#23
• What type of transformation is shown?

Reflection

#24
• What type of transformation is shown?

Rotation

#25

The co-ordinates of triangle ABC are:

A (5, 2) B (5, 6) C (1, 2). List the new co-ordinates if the triangle is reflected over the x-axis.

A’ (5, -2)

B’ (5, -6)

C’ (1, -2)

#26

The co-ordinates of triangle ABC are:

A (5, 2) B (5, 6) C (1, 2). List the new co-ordinates if the triangle is reflected over the y-axis.

A’ (-5, 2)

B’ (-5, 6)

C’ (1, 2)

#27

The co-ordinates of triangle ABC are:

A (5, 2) B (5, 6) C (1, 2). List the new co-ordinates if the triangle is translated (-6, 3).

A’ (-1, 5)

B’ (-1, 9)

C’ (-5, 5)

#28

The co-ordinates of triangle ABC are:

A (5, 2) B (5, 6) C (1, 2). List the new co-ordinates if the triangle is rotated 180° around the origin.

A’ (-5, -2)

B’ (-5, -6)

C’ (-1, -2)