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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.

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Presentation Transcript
slide2
#1

Having the same size and shape

congruent

slide3
#2
  • The figure formed by two rays with a common endpoint

angle

slide4
#3
  • A point of a line that starts at one endpoint and extends forever

ray

slide5
#4

A perfectly flat surface that extends infinitely in all directions

Plane

slide6
#5

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

Point

slide7
#6

A part of a line between 2 endpoints

Line segment

slide8
#7

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

Vertex

slide9
#8

A straight path that extends without end in opposite directions

Line

slide10
#9

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

Translation

slide11
#10
  • A change in the position or orientation of a figure

Transformation

slide12
#11
  • A transformation of a figure that flips the figure across a line.

Reflection

slide13
#12

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

Coordinate Plane

slide14
#13
  • A transformation of a figure in which a figure is turned around a point

Rotation

slide15
#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
#14 answer
  • Reflection over the y-axis

A

B

A’: (9, 9)

B’: (3, 6)

C’: (5, 1)

C

slide17
#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
#15 - answer

Translation 4 units down.

A

B

A’: (-9, 5)

B’: (-3, 2)

C’: (-5, -3)

C

slide19
#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
#16 - answer
  • 90° counterclockwise rotation

A

B

A’: (-9, -9)

B’: (-6, -3)

C’: (-1, -5)

C

slide21
#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
#17 - answer
  • Reflection over the x-axis.

A

B

A’: (-9, -9)

B’: (-3, -6)

C’: (-5, -1)

C

slide23
#18
  • If point A is (-19,7), give the ordered pair of A rotated 180 degrees around the origin.

A’ (19, -7)

slide24
#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)

slide25
#20
  • Give the ordered pair of point G(-3, -12) translated by (4,8).

G’ (1, -4)

slide26
#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
#21 answer
  • Translation of (5, -6)

A

B

A’: (-4, 3)

B’: (2, 0)

C’: (0, -5)

C

slide28
#22

What type of transformation is shown?

Translation

slide29
#23
  • What type of transformation is shown?

Reflection

slide30
#24
  • What type of transformation is shown?

Rotation

slide31
#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)

slide32
#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)

slide33
#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)

slide34
#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)

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