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Dilations
Translations
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Vocabulary
100

A scale factor of negative 5 will result in what transformation

Scale factor must be greater than 0.

100

What happened to the shape with this translation?

(x+3, y)

Shift right 3 units

100

(x-4), (y+3)

Translation down 4 units, and up 3 units

100

the original figure before transformation

pre-image

100

A change in size

Dilation

200

A scale factor of 3 will cause the size of my shape to

triple

200

What happened to the shape with this translation?

(x, y-4)

Shift down 4 units

200

(2x, 2y)

dilation with a scale factor of 2

200
what is the grid that we plot points on called

coordinate plane

200

A change in position by shifting or sliding

Translation

300

A scale factor of 2 would cause what type of dilation?

Englargement
300

What happened to the shape with this translation?

(x-7, y)

Shift left 7 units

300

Transformation that causes (1, -2)  to become (-1,-2)

Reflection over the y-axis

300

What ordered pair represents a 180 degree rotation?

(-x,-y)

300

The image mirrors the pre-image

Reflection

400

A scale factor of 1/4 would cause what type of dilation?

Reduction

400

What happened to the shape with this translation?

(x, y+8)

Shift up 8 units

400

Triangle ABC is congruent with Triangle DEF. Angle B is congruent with angle _?

E

400

Solve for x. 

5x+93=243

x=30

400

Turning around the origin

Rotation

500

Point A (2, -4) is dilated by a scale factor of 1/2, what is the ordered pair for Point A'?

(1, -2)

500

What happened to the shape with this translation?

(x+3, y-6)

Shift right 3 units, and down 6 units

500
(x,y) --> (y, -x)

270 degree rotation counterclockwise or 90 degrees clockwise

500

How many degrees are in a triangle? Square?

180, 360

500

DOUBLE JEOPARDY

Sides in the same relative positions on the pre-image and the image

Corresponding Sides

600

Write the algebraic notation for a dilation with a scale factor of 3

(x,y) --> (3x,3y)

600

DOUBLE JEOPARDY:

What happened to the shape with this translation?

(x-4, y+8)

Shift left 4 units and up 8 units

600

Using (1/2x, 1/2y), what is my new ordered pair?

(-4,6)

(-2,3)

600

What year and day was America founded?

July 4, 1776

600

If two figures have corresponding sides and angles but are not the same size they are _ but not _

similar but not congruent

700

DOUBLE JEOPARDY

What is the scale factor of the following dilation:

A(6, -12) --> A'(2, -4)

1/3

700

What happened to the shape with this translation?

(x-5, y-5)

Shift left 5 units and down 5 units

700

Name all 4 transformations

Dilations, Translations, Reflections, Rotations

700

How many weeks are in a year? 

52

700

movement that preserves congruence

rigid motion