This transformation shows what?

This is a translation of point "C" up 2 units and to the right 6 units.

This is a translation of point "A" up 2 units

This is a translation of point "B" to the right 6 units

This is reflection of point "A" over to point A prime

What type of transformation is this figure?

This is a translation of point "A" up one unit and to the right two units.

This is a reflection up one unit and to the right two units.

This is a rotation of two units.

This is a rotation of two units clockwise.

This figure shows a rotation.

This looks like a 90 ° 90\degree 9 0 ° counterclockwise rotation around point "O"

This is a rotation about point "C"

This looks like a 180 ° 180\degree 1 8 0 ° counterclockwise rotation around point "O"

This is definitely not a transformation

What type of transformation does this figure show?

This is a rotation over the line

This is a translation across the line

The line segments don't match so this is not a rigid transformation.

This transformation shows what?

This is a rotation about point "B"

This is a rotation about point "D"

This could be a 180 ° 180\degree 1 8 0 ° rotation around point "B"

This is a reflection of the figure to the right.

This is a rotation about point "C"

This is a rotation about point "B"

This is a rotation about point "D" of 90 ° 90\degree 9 0 °

This is a rotation about point "A"

This transformation is what?

The figures are not the same shape so this is not a rigid transformation.

What transformation or transformations moves the bird on the left to the bird on the right?

This is two transformations: a translation up, then a reflection across a vertical line.

This is just a reflection across a vertical line.

This is just a reflection across a horizontal line.

This is two transformations: a translation down, then a reflection across a vertical line.

One of the triangles pictured is a rotation of triangle ABC and one of them is a reflection. Identify the rotation triangle and the center of rotation.

PQR with center at the origin (0,0)

XYZ with center at the origin (0,0)

PQR with center at the vertices "A"

XYZ with center at the vertices "B"

One of the triangles pictured is a rotation of triangle ABC and one of them is a reflection. Identify the reflection triangle and the line of reflection.

XYZ is ABC reflected over the x axis

PQR is ABC reflected over the x axis

PQR is ABC reflected over the y axis

XYZ is ABC reflected over the y axis

Here is a grid showing triangle ABC and two other triangles. You can use a rigid transformation to take triangle ABC to one of the other triangles. Which one? How?

Triangle CFG - Translate triangle ABC 7 units right so that "B" matches up with "F". Then rotate 90 degrees clockwise around "F".

Triangle CFG - Rotate triangle ABC 90 degrees counterclockwise around point "C", then rotate 180 degrees around the midpoint of segment CG.

Triangle EBD - ABC is reflected on a line at point "B"

Triangle EBD - Translate triangle ABC up two units.

Here are two line segments. Is it possible to rotate one line segment to the other? If so, find the center of such a rotation.

Yes, it is possible to rotate one of these line segments to the other. This can be done by rotating 180\degree 1 8 0 ° around a point midway between the two lines.

No, is not possible to rotate because the only way to get one line to the other is by a translation up 5 units and then right two units.

Lin says that she can map Polygon A to Polygon B using only reflections. Do you agree with Lin? If so, then how might it be done?

Yes I agree with Lin. First Polygon A is reflected over a vertical line that passes the right edge of "A" and the left edge of "B". Then that image is reflected over a horizontal line that passes the through the bottom of "A" and the top of "B". This will give the image of "B".

Yes I agree with Lin. Simply reflect "A" over an line between "A" and "B"

I do not agree with Lin. These are different sized images and so "A" cannot map to "B".

describe a translation, rotation, or reflection that takes line L to line L'. Select all correct answers.

Reflection over a line parallel to L halfway between L and L'

Rotation using a point halfway between L and L' as the center of rotation and an angle of 180 ° 180\degree 1 8 0 °

Points A',B' , and C' are the images of 180-degree rotations of A, B, and C, respectively, around point O. What is the measure of angle A' O B'?

180 - 79 = 101 ° 101\degree 1 0 1 °

180 - 35 = 145 ° 145\degree 1 4 5 °

Describe a SINGLE rigid transformation that takes Triangle 1 to Triangle 2.

a 180-degree clockwise rotation using the midpoint of side AC as center

a 180-degree counterclockwise rotation using the midpoint of side AC as center

a 90-degree clockwise rotation around point "A".

Name all the alternate interior angles in this figure.

angles "d" and "b" also angles "a" and "g"

angles "d" and "a" also angles "b" and "g"

angles "e" and "g" also angles "d" and "f"

Review for 8th grade Illustrative Math End-Of-Unit #1 test

Authored by Harold Peaden

Mathematics

7th - 8th Grade

CCSS covered

Used 124+ times

Review for 8th grade Illustrative Math End-Of-Unit #1 test

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Content View

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41 questions

Show all answers

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the transformation from frame #1 to frame #2?

translation up

translation to the right

translation to the left

translation down

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the transformation from frame #2 to frame #3?

Rotation $90\degree$ counterclockwise centered on a point on figure

translation down

translation up

Rotation $180\degree$ centered on left conner

Tags

CCSS.8.G.A.3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the transformation from frame #3 to frame #4?

Rotation up

reflection up

translation up

translation down

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Answer the question in this figure.

This is a reflection over the line "l"

This is a $90\degree\$ rotation

This is a $180\degree$ rotation at the common point between the figures.

This is a reflection over itself

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

This figure shows what transformation?

This is a $90\degree$ rotation centered on the common point.

This is a translation upwards

This is a $180\degree$ clockwise rotation

This is a $180\degree$ counterclockwise rotation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Segment AB corresponds to which segment on the right figure?

segment DF

segment FE

segment ED

segment DE

Tags

CCSS.HSG.SRT.A.2

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

This diagram shows what type of transformation?

This is a counterclockwise reflection

This is a counterclockwise rotation centered on the common point.

This is a $180\degree$ counterclockwise rotation centered on the common point.

This really looks like it would be a counterclockwise rotation of a little less than $180\degree$

Tags

CCSS.8.G.A.3

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

This diagram shows what transformation?

This is a reflection of "A" over line L

This is a rotation of "A" around a point on line L

This is a rotation of "A" around one of the vertices.

This is a translation to the fight and then a rotation of $90\degree$ clockwise.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

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