Name _________________ Date ____________ Geometry Honors 2015

Transformations Review 2015 Ms. Williams

Part I Answer all questions in this part. Each correct answer will receive 2 credits. No partial credit will

be allowed. For each question, write on the separate answer sheet the numeral preceding the word or

expression that best completes the statement or answers the question.

1.

2.

3. If the coordinates of point A are (–2,3), what is the image of A under r Dy axis 3 ?

(1) (–6,–9) (3) (5,6)

(2) (9,–6) (4) (6,9)

4.

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Extended Response

23. Write the coordinates of the image of ABC under a composition of T0, -1 ry-axis.

Is this a glide reflection? Explain your answer below.

24.

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32.

Draw a dilation image of each figure with center C and the given scale factor. Then describe each

transformation as an enlargement or a reduction.

33. k = .5 __________________________ 34. k = 2 __________________________

35. k = 2

3 __________________________ 36. k =

1

4 __________________________

Know the following terms:

Isometry

Pre-Image

Image

Magnitude

Order

Scale factor

Line symmetry

Rotational Symmetry

Point Symmetry

Regular Polygon

Function Notation

Vector Notation

Summarize the formulas you have learned: f(x,y)

A reflection in the x-axis

A reflection in the y-axis

A reflection in the y = x axis

A 90° clockwise rotation

A 90° counterclockwise rotation

A 180° clockwise rotation

A 180° counterclockwise rotation

A 270° clockwise rotation

A 270° counterclockwise rotation

B

A

C

M

N

O

P

.C

T

R

S

.C

.C

V

W