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- 1. Multiple Choice
Identify the angles of rotation that maps the image of the regular polygon to itself.
multiples of 72°
multiples of 180°
multiples of 144°
multiples of 45°
- 2. Multiple ChoiceIdentify the angles of rotation that maps the image to itself.multiples of 120°multiples of 180°multiples of 90°multiples of 60°
- 3. Multiple ChoiceWhat are the angles of rotation for a square?multiples of 30multiples of 45multiples of 90multiples of 180
- 4. Multiple ChoiceWhat are the angles of rotation for an octagon?multiples of 45multiples of 51.4multiples of 60multiples of 72
- 5. Multiple ChoiceIdentify the smallest angle of rotation that maps the image to itself.72°180°144°45°
- 6. Multiple ChoiceIdentify the smallest angle of rotation that maps the image to itself.180°360°90°No rotational symmetry
- 7. Multiple ChoiceWhat is(are) the angle(s) of rotation needed to rotate this octagon onto itself?45, 13590, 180both a and bnone of the above
- 8. Multiple ChoiceThe rule for dilation is
(x, y) --> _(kx, ky)(x, -y)(-x, y)(x+a, y+b) - 9. Multiple ChoiceThe rule for translation is
(x, y) --> _(kx, ky)(x, -y)(-x, y)(x+a, y+b) - 10. Multiple ChoiceThe rule for reflection over the x-axis is
(x, y) --> _(-x, y)(x, -y)(y, x)(-y, -x) - 11. Multiple ChoiceThe rule for reflection over the y-axis is
(x, y) --> _(-x, y)(x, -y)(y, x)(-y, x) - 12. Multiple ChoiceThe rule for rotation of 90 degrees counterclockwise is
(x, y) --> _(y, -x)(-y, x)(x, -y)(-x, y) - 13. Multiple ChoiceThe rule for rotation of 180 degrees is
(x, y) --> _(-y, x)(-x, -y)(y, -x)(-y, -x) - 14. Multiple ChoiceThe rule for rotation of 270 degrees counterclockwise is
(x, y) --> _(y, x)(-y, x)(y, -x)(x, -y) - 15. Multiple ChoiceThe rule for rotation of 270 degrees clockwise is
(x, y) --> _(y, x)(-y, x)(y, -x)(x, -y) - 16. Multiple ChoiceThe rule for rotation of 90 degrees clockwise is
(x, y) --> _(y, -x)(-y, x)(x, -y)(-x, y) - 17. Multiple Choice
Which rule describes the action of the coordinates when a figure is reflected over the line y = x?
(x, y)→(-y, -x)
(x, y)→(-x, y)
(x, y)→(-x, -y)
(x, y)→(y, x)
- 18. Multiple Choice
Which rule describes the action of the coordinates when a figure is reflected over the line y = -x?
(x, y)→(y, x)
(x, y)→(-y, -x)
(x, y)→(-x, -y)
(x, y)→(y, -x)
- 19. Multiple Choice
A transformation that does not change the size or shape of a pre-image (pre-image and image are congruent) is called
isometry
reflections
rotations
dilation
- 20. Multiple ChoiceWhich is NOT an Isometry?RelectionDilationRotationTranslation
- Answer choicesTagsAnswer choicesTags