Translation
Reflection
Rotation
Dilation
General Transformation
100

What is the algebraic representation (rule) for translation?

(x , y) --> (x+a , y+b)

100

Trapezoid KLMN reflects over the x-axis to form trapezoid K'L'M'N'. Are the two trapezoids congruent?

Yes

Reflected figures ARE congruent

same size same shape 

100

Trapezoid ABCD is rotated counterclockwise 90 degrees to create trapezoid A'B'C'D'. Which statement is true?

a) The area of trapezoid A'B'C'D' is not equal to the area of trapezoid ABCD

b) Trapezoid ABCD is not congruent to trapezoid A'B'C'D'

c) The angles of trapezoid ABCD are congruent to trapezoid A'B'C'D'



C

Rotated figures are CONGRUENT

100

If a figure is being dilated by a scale factor of 4, would the dilated figure be enlarged or reduced?

Enlarged

100

What does congruent mean?

Same size same shape

200

Which of the following statements is true regarding translation rules?

a) right means adding; down means adding

b) right means subtracting; down means adding

c) left means subtracting; up means adding

d) left means adding; up means adding

C

Left movement is subtracting from x-value

Up movement is adding to y-value

200

Triangle ABC reflects of the y-axis to form triangle A'B'C'. Are the side lengths of triangle A'B'C' congruent to triangle ABC?

Yes

200

Square ABCD is rotated counterclockwise 180 degrees to create square A'B'C'D'. Which statement is true?

a) The area of square A'B'C'D' is equal to the area of square ABCD

b) Square ABCD is not congruent to square A'B'C'D'

c) The side lengths are Square ABCD are longer than Square A'B'C'D'

A

They are CONGRUENT!

200

Shapes that are dilations of each other are congruent. True or False?

False

They are SIMILAR

Same shape different size

200

What are the four transformation types in ALPHABETICAL order?

Dilation

Reflection

Rotation

Translation 

300

Coordinate (4 , 8) is being translated left 2 and up 1. What is the new coordinate?

(2 , 9)

300

What is the algebraic representation (rule) for a figure reflected over the x-axis?

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

300

What is the rule if a shape is rotated 90 degrees?

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

300

What is the rule if a shape is being dilated by a scale factor of 2?

(x , y) --> (2x , 2y)

300

Which algebraic representation would PRESERVE congruence(a shape would stay congruent)?

a) (x , y) --> (2x , 2y)

b) (x , y) --> (x+2 , 2y)

c) (x , y) --> (x, -y)

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

C

None of the x or y values are being multiplied (dilated)

400

Coordinate (-5 , 0) is translated left 5 and down 5. What is the new coordinate?

(-10, -5)

400

Figure ABC is reflected over the y-axis to create figure DEF. Did the interior angles of the two figures change?

No

Reflected images are CONGRUENT.

Same size and same shape

400

If coordinate (2, 3) is rotated 180 degrees, what would the new coordinate be?

(-2 , -3)

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

400

A rectangle is graphed on a coordinate plane. Which transformation will result in a rectangle that is NOT congruent to the original rectangle?

a) rotation of 180 degrees

b) dilation by scale factor of 0.5

c) reflection over the y-axis

d) translated right 3 and down 4

B

Dilated figures are NOT congruent 

400

Which algebraic representation would NOT preserve congruence?

a) (x , y) --> (x , -y)

b) (x , y) --> (x+2 , y+2)

c) (x , y) --> (y, -x)

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

D

The x and y values are being multiplied (dilated)

500

Coordinate A is (6, 8) and is translated to become coordinated B which is (8, 2). Describe, in words, what translation is happening.

Left/Right

Up/Down

Example answer: left 3, up 1

Right 2, down 6

500

Square 1 reflects over the x-axis to create Square 2. The area of Square 2 increases because of the reflection. True or False

False

Reflected figures are CONGRUENT!!!!!!!!

same size and same shape

500

If a shape is rotated 90 degrees clockwise, it would look the same as if it was rotated 270 degrees counterclockwise? True or False?

True

500

A triangle is graphed on a coordinate plane. Which transformation will result in a triangle that is NOT congruent to the original triangle?

a) rotation of 180 degrees

b) dilation by scale factor of 1

c) reflection over the y-axis

d) dilation by scale factor of 3

D

scale factor of 3 would enlarge the figure

500

Name 2 autobots and 2 decepticons 

answers will vary

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