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WorksheetsGeometric Transformation Rules
Total questions: 119
Worksheet time: 3hrs 36mins
What directions would you give?
Reflect over the line: ________
Find K′.
(x, y) ----> (x + 2, y - 3)
(x, y)----> (x + 3, y - 1)
What are the coordinates of K'?
A dilation is
Has a central point that stays fixed and everything else moves around that point
a transformation that changes the size of a figure
a transformation in which the preimage is flipped across a line
a function that moves an object a certain distance. The object is not altered in any other way.
A rotation
Has a central point that stays fixed and everything else moves around that point
a transformation that changes the size of a figure
a transformation in which the preimage is flipped across a line
a function that moves an object a certain distance. The object is not altered in any other way.
A reflection
Has a central point that stays fixed and everything else moves around that point
a transformation that changes the size of a figure
a transformation in which the preimage is flipped across a line
a function that moves an object a certain distance. The object is not altered in any other way.
A translation
Has a central point that stays fixed and everything else moves around that point
a transformation that changes the size of a figure
a transformation in which the preimage is flipped across a line
a function that moves an object a certain distance. The object is not altered in any other way.
Which shows point (3, 6) rotated CLOCKWISE by 90 degrees?
(6, -3)
(-6, 3)
(-3, -6)
((3, 6)
Which shows point (3, 6) rotated COUNTER-CLOCKWISE by 90 degrees?
(6, -3)
(-6, 3)
(-3, -6)
(3, 6)
Which transformation is the only transformation that does NOT preserve size?
Translation
Reflection
Rotation
Dilation
True or False: all transformations except for dilations keep the figures congruent.
TRUE
FALSE
What is the scale factor of this enlargement?
1/2
1/4
2
4
What is the scale factor of this enlargement?
1/2
1/4
2
4
What is the scale factor of this reduction?
1/2
1/4
2
4
What is the scale factor of this reduction?
1/2
1/4
2
4
A triangle is dilated by a scale factor of 4 and then translated left 2 units and up 3 units. Which statement is true about the image and the pre-image?
The pre-image and image are congruent and similar to one another.
The pre-image and image are neither congruent nor similar to one another.
The pre-image and image are congruent, but not similar to one another.
The pre-image and image are similar, but not congruent to one another.
Trapezoid PQRS is rotated 180° about the origin to form trapezoid P'Q'R'S'. Which statement is true?
The sum of the angle measures of trapezoid PQRS is 180° less than the sum of the angle measures of trapezoid P'Q'R'S'.
Trapezoid PQRS is not congruent to trapezoid P'Q'R'S'.
The area of trapezoid PQRS is less than the area of trapezoid P'Q'R'S'.
The angle measures of trapezoid PQRS are equal to the corresponding angle measures of trapezoid P'Q'R'S'.
When a figure is dilated, its image is ?????.
Congruent
Similar
Not Here
(x, y) ----> (x + 2, y - 3)
Slide 3 up and 2 right
(x, y) ----> (x - 1, y)
What are the coordinates of M'?
1. Rotation 90 degrees, clockwise, center at point C
2. Dilation with scale factor of 1/2, center at (-1, -2)
1. Reflection over the line x = -3
2. Rotation of 180 degrees, center at (4, 5)
Which of the following would represent a dilation with a scale factor of 2.5?
enlargement
reduction
Which of the following would represent a dilation with a scale factor of 0.5?
enlargement
reduction
Which of the following would represent a translation of 6 units to the left and 4 units up?
(x,y) --> (x - 6, y + 4)
(x,y) --> (x + 6, y - 4)
(x,y) --> (6x, 4y)
(x,y) --> (x + 4, y - 6)
(x,y) --> (y + 4, x - 6)
Which of the following would represent a translation of 8 units down and 2 units to the right?
(x,y) --> (x + 2, y - 8)
(x,y) --> (x - 2, y + 8)
(x,y) --> (2x, 8y)
(x,y) --> (x - 8, y + 2)
(x,y) --> (y - 8, x + 2)
Which of the following would represent a dilation with a scale factor of 2.5?
(x,y) --> (2.5x, 2.5y)
(x,y) --> (2.5y, 2.5x)
(x,y) --> (x + 2.5, y + 2.5)
(x,y) --> (-2.5x, -2.5y)
Which of the following would represent a dilation with a scale factor of 0.5?
(x,y) --> (0.5x, 0.5y)
(x,y) --> (0.5y, 0.5x)
(x,y) --> (x + 0.5, y + 0.5)
(x,y) --> (-0.5x, -0.5y)
When you translate, you ______ a number to x and y.
Add or subtract
Multiply or divide
Add or multiply
Subtract or divide
What is the rule for the dilation pictured below?
(x, y) → (½x, ½y)
(x, y) → (x + 2, y + 2)
(x, y) → (2x, 2y)
(x, y) → (2x, 3y)
Rotate 90 degrees counterclockwise.
Rotate 180 degrees
Dilate k = 2
Rectangle EFGH has the following coordinates:
E ( -3, 6)
F ( 3, 6)
G ( 3, -6)
H ( -3, -6)
Dilate the rectangle by a scale factor of 1/3. What are the coordinates of G'?
(1, -3)
(1, -2)
(-1, 2)
(-3, 6)
What type(s) of transformations result in congruent figures or isometries?
SELECT ALL THAT APPLY
Translation
Dilation
Rotation
Reflection
Moving a point or a shape in cardinal directions (left, right, up, or down) is called a...
Translation
Reflection
Rotation
Transformation
Translations, reflections and rotations are all known as ________________________.
Geometry
Transformations
Congruent
Rigid motion
Translations, rotations, and reflections are always _______
Congruent
Bigger
Smaller
Rotated
The __________ is the ratio of a length of the image to the corresponding length on the original figure. (new / old)
reduction
enlargement
scale factor
center of dilation
A dilation with k = 0.75 is which?
An enlargement
A reduction
Either an enlargement or a reduction
Neither an enlargement or a reduction
Does a translation up/down go with x or y?
x
y
z
q
Dilations have which operation?
Addition
Subtraction
Multiplication
Division
The point A (8, 12) was dilated to become point A' (2, 3). What was the scale factor?
½
¼
4
2
State the coordinate of the image of the given point B (4,9) under a dilation with center at the origin with the given scale factor of 2.
B' (2 , 4.5)
B' (-8 ,-18)
B' (8 ,18)
B' (9 ,4)
When A(3, 6) is under a dilation of 2 what are the coordinates of A'?
(3, 6)
(1.5, 3)
(6, 12)
(12, 6)
A dilation produces a congruent figure
True
False
State the coordinate of the image of the given point G (-10,-6) under a dilation with center at the origin with the given scale factor of 1/2.
G' (5,3)
G' (20,12)
G' (-20,-12)
G' (-5,-3)
If your SF = 0.8, what type of dilation is it?
Reduction
Enlargement
If your SF = 2.5, what type of dilation is it?
Reduction
Enlargement
If your SF = 6/5, what type of dilation is it?
Reduction
Enlargement
