Title: (Canvas-Quiz)G9_Transformations
Course: HBUHSD Geometry Resource Course > Section: Unit 2: Rigid Transformations

Q: Which of these transformations appear to be a rigid motion?
(I) parallelogram EFGH parallelogram XWVU

(II) hexagon CDEFGH hexagon YXWVUT

(III) triangle EFG triangle VWU
- I only
- II and III only
- I and II only
- I, II, and III
A: I and II only

Q: In the diagram, figure RQTS is the image of figure DEFC after a rigid motion.

Name the image of F.
- T
- R
- Q
- S
A: S

Q: In the diagram, figure RQTS is the image of figure DEFC after a rigid motion.

Name the image of .
A: (a choice with no text)

Q: Which graph shows ?
A: (a choice with no text)

Q: Which graph shows ?
A: (a choice with no text)

Q: Use the diagram.

Find the image of C under the translation described by the translation rule .
- B
- E
- A
- D
A: E

Q: Use the diagram.

Find the translation rule that describes the translation B E.
A: (a choice with no text)

Q: The vertices of a rectangle are R(–5, –5), S(–1, –5), T(–1, 1), and U(–5, 1). A translation maps R to the point (–4, 2). Find the translation rule and the image of U.
A: (a choice with no text)

Q: Describe in words the translation of X represented by the translation rule .
- 2 units to the left and 8 units up
- 2 units to the right and 8 units down
- 8 units to the left and 2 units down
- 2 units to the right and 8 units up
A: 2 units to the left and 8 units up

Q: Use a translation rule to describe the translation of X that is 5 units to the left and 7 units up.
A: (a choice with no text)

Q: Jessica was sitting in row 9, seat 3 at a soccer game when she discovered her ticket was for row 1, seat 1. Write a rule to describe the translation needed to put her in the proper seat.
A: (a choice with no text)

Q: Use a translation rule to describe the translation of P that is 6 units to the left and 6 units down.
A: (a choice with no text)

Q: What is a rule that describes the translation ?
A: (a choice with no text)

Q: Use a translation rule to describe the translation of that is 8 units to the right and 2 units down.
A: (a choice with no text)

Q: What translation rule can be used to describe the result of the composition of
and ?
A: (a choice with no text)

Q: Write a rule in function notation to describe the transformation that is a reflection across the y-axis.
A: (a choice with no text)

Q: The vertices of a triangle are P(–8, 6), Q(1, –3), and R(–6, –3). Name the vertices of .
A: (a choice with no text)

Q: The vertices of a triangle are P(–3, 8), Q(–6, –4), and R(1, 1). Name the vertices of .
- _
A: _

Q: The vertices of a triangle are P(–2, –4), Q(2, –5), and R(–1, –8). Name the vertices of .
A: (a choice with no text)

Q: Write a rule in function notation to describe the transformation that is a reflection across the x-axis.
A: (a choice with no text)

Q: Find the image of P(–2, –1) after two reflections; first , and then .
- (–2, –1)
- (–1, –6)
- (4, –9)
- (1, –5)
A: (4, –9)

Q: Which graph shows a triangle and its reflection image over the x-axis?
A: (a choice with no text)

Q: Each triangle in the diagram is a reflection of another triangle across one of the given lines. How can you describe Triangle 3 by using a reflection rule?
- (Triangle 2)
- (Triangle 1)
- (Triangle 1)
- (Triangle 2)
A: (Triangle 2)

Q: Each triangle in the diagram is a reflection of another triangle across one of the given lines. How can you describe Triangle 2 by using a reflection rule?

I. (Triangle 3)
II. (Triangle 2)
III. (Triangle 1)
- I only
- I and III only
- II and III only
- I, II, and III
A: I and III only

Q: The hexagon GIKMPR and FJN are regular. The dashed line segments form 30° angles.

What is ?
- P
- I
- K
- O
A: K

Q: The hexagon GIKMPR and FJN are regular. The dashed line segments form 30° angles.

Find .
A: (a choice with no text)

Q: The hexagon GIKMPR and FJN are regular. The dashed line segments form 30° angles.

A carnival ride is drawn on a coordinate plane so that the first car is located at the point . What are the coordinates of the first car after a rotation of 270° about the origin?
A: (a choice with no text)

Q: Name the translation image of equivalent to .
A: (a choice with no text)

Q: Which type of isometry is the equivalent of two reflections across intersecting lines?
- glide reflection
- rotation
- reflection
- none of these
A: rotation

Q: The glide reflection maps the point P to (4, 3). Find the coordinates of P.
- (–2, 0)
- (1, –3)
- (0, 2)
- (–8, –4)
A: (–2, 0)

Q: Find the glide reflection image of the black triangle for the composition
A: (a choice with no text)

Q: Use the composition , shown below.

Which angle has an equal measure to ?
A: (a choice with no text)

Q: Use the composition , shown below.

Which angle has an equal measure to ?
A: (a choice with no text)

Q: Use the composition , shown below.

Which side has an equal measure to ?
A: (a choice with no text)

Q: Use the figures below.

Write a sequence of rigid motions that maps to .
A: (a choice with no text)

Q: Use the figures below.

Write a sequence of rigid motions that maps to .
A: (a choice with no text)

Q: Use the figures below.

In the diagram, . What is a congruence transformation that maps
onto ?
A: (a choice with no text)

Q: Which figures are congruent?
- and
- and
- and and
A: and

Q: The dashed-lined figure is a dilation image of EFGH. Is an enlargement or a reduction? What is the scale factor n of the dilation?
- n = 6; enlargement
- n = 3; enlargement
- n = 3; reduction
- n = ; reduction
A: n = 3; enlargement

Q: The dashed-lined figure is a dilation image of with center of dilation P (not shown). Is an enlargement, or a reduction? What is the scale factor n of the dilation?
- reduction;
n = 2
- reduction;
n =
- enlargement;
n = 2
- reduction;
n =
A: reduction;
n =

Q: The dashed triangle is a dilation image of the solid triangle. What is the scale factor?
- 2
A: (a choice with no text)

Q: A blueprint for a house has a scale factor n = 45. A wall in the blueprint is 9 in. What is the length of the actual wall?
- 4,860 feet
- 33.75 in.
- 405 feet
- 33.75 feet
A: 33.75 feet

Q: A microscope shows you an image of an object that is 140 times the object’s actual size. So the scale factor of the enlargement is 140. An insect has a body length of 6 millimeters. What is the body length of the insect under the microscope?
- 840 centimeters
- 8,400 millimeters
- 84 millimeters
- 840 millimeters
A: 840 millimeters

Q: The zoom feature on a camera lens allows you dilate what appears on the display. When you change from 100% to 500%, the new image on your screen is an enlargement of the previous image with a scale factor of 5. If the new image is 47.5 millimeters wide, what was the width of the previous image?
- 9.5 millimeters
- 23.75 millimeters
- 118.75 millimeters
- 237.5 millimeters
A: 9.5 millimeters

Q: What composition of rigid motions and a dilation maps EFGH to the dashed figure?
A: (a choice with no text)

Q: What composition of rigid motions and a dilation maps EFGH to the dashed figure?
A: (a choice with no text)

Q: Which figures are similar?
- and
- and
- and and
A: and