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QUIZ

8th

grade

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Rebecca Gindlesperger

3 years

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12 questions

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- 1. Multiple Choice10 minutes1 pt
_{How many lines of symmetry does an equilateral triangle have and what is the degree of rotational symmetry?}0 lines of symmetry and the degree of rotational symmetry is 90

3 lines of symmetry and the degree of rotational symmetry is 90

1 line of symmetry and the degree of rotational symmetry is 120

3 lines of symmetry and the degree of rotational symmetry is 120

- 2. Multiple Choice10 minutes1 pt
Point A (4, -2) is reflected over the line y = x, rotated 270 degrees CCW and reflected over the y-axis. What is A'''?

Point A''' is (4, -2)

Point A''' is (4, 2)

Point A''' is (-2, 4)

Point A''' is (-4, 2)

- 3. Multiple Choice10 minutes1 pt
Describe the transformation.

translation by (x - 1, y + 6)

reflection across x = -2

translation by (x + 6, y - 1)

reflection across y = -2

- 4. Multiple Choice10 minutes1 pt
Describe the transformation.

reflection across the line y = x

reflection across the line y = -x

rotation 180 degrees CCW about the origin

rotation 90 degrees clockwise about the origin

- 5. Multiple Choice10 minutes1 pt
Determine how to translate triangle ABC to triangle A'B'C'.

(x + 2, y - 9)

(x - 2, y + 9)

(x - 9, y + 2)

(x + 9, y - 2)

- 6. Multiple Choice10 minutes1 pt
What type of symmetry does this shape have?

Only Rotational Symmetry

Only Line Symmetry

Both Rotational and Line Symmetry

Neither Rotational nor Line Symmetry

- 7. Multiple Choice10 minutes1 pt
What does NOT change from the pre-image to the image in an isometric transformation?

Select ALL that apply.

The length of the line segments

The position of the figure.

The angle measures.

The orientation of the object.

The area of the image.

- 8. Multiple Choice10 minutes1 pt
What is the order and angle of rotation of the flower?

Order is 6, angle of rotation is 60 degrees

Order is 4, angle of rotation is 90 degrees

Order is 3, angle of rotation is 120 degrees

Order is 6, angle of rotation is 30 degrees

- 9. Multiple Choice10 minutes1 pt
What is the sequence of transformations for the image given?

Reflect over the y-axis, translate by T

_{6,0}Reflect over the x-axis then translate by T

_{6,0}Reflect over the x-axis then translate by T

_{2,6}Reflect over the y-axis then translate by T

_{2,6} - 10. Multiple Choice10 minutes1 pt
If you were to rotate ABCD 90° counterclockwise about the origin, what would the coordinate of A' be?

(-5, 5)

(-3, 5)

(-5, 3)

(-3, 3)

- 11. Multiple Choice10 minutes1 pt
Which diagram shows a dotted line that is

*not*a line of symmetry? - 12. Multiple Choice10 minutes1 pt
A nonagon is a nine-sided polygon. If a regular nonagon was rotated about its center point, which angle of rotation would

map the figure onto itself?__not__$120\degree$

$80\degree$

$60\degree$

$40\degree$

- Answer choicesTagsAnswer choicesTags
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