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Mathematics
7th -
10thgrade
Symmetry, Reflections, Translations
20 questions
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- 1. Multiple ChoiceHow many lines of symmetry does this shape have?1246
- 2. Multiple ChoiceWhich of the following letters does not have a line symmetry, but has a rotational symmetry:HIZX
- 3. Multiple Choice
For this equilateral triangle, what is the order and degree of rotation?
order 3, degrees 120°
order 2, degrees 180°
order 4, degrees 90°
order 6, degrees 60°
- 4. Multiple ChoiceWhich letter does not have point symmetry?IOTS
- 5. Multiple ChoiceDetermine where X' would be if you translated X 3 units to the left and 9 units down.(-4, 4)(-10, 2)(-4, -5)(-1, 5)
- 6. Multiple ChoiceHow is triangle ABC being translated to triangle A'B'C'?up 3, left 8up 9, left 4down 3, right 8down 9, right 4
- 7. Multiple Choice
Which is the correct rule if you wish to translate triangle A'B'C' to triangle ABC. *Careful here-order matters!!
(x+2, y-5)
(x+2, y-9)
(x-2, y-9)
(x-2, y+9)
- 8. Multiple ChoiceWrite the rule for this translation:
Slide 3 up and 2 right(x, y)---->(x + 3, y + 2)(x, y)-----> (x+2, y + 3)(x, y)----> (x - 2, y + 3) - 9. Multiple ChoiceWrite a rule for the translation.(x -1, y + 2)(x -2, y + 1)(x +2, y - 1)(x +1, y - 2)
- 10. Multiple ChoiceIf the dotted figure is the image, the original figure was reflected over the ...x-axisy-axis
- 11. Multiple Choice
What is the correct rule for this Reflection?
(x, y) → (y, x)
(x, y) → (-x, y)
(x, y) → (-y, -x)
(x, y) → (x, -y)
- 12. Multiple ChoiceWhich answer shows a reflection across the x-axis?dcba
- 13. Multiple ChoiceWhat is a reflection?When you turn an object around a point.When you slide an object form one place to another.When you flip or mirror an object across a line.When you resize an object.
- 14. Multiple Choice
One type of transformation is where a geometric figure slides horizontally, vertically, or both. What type of transformation is this?
dilation
translation
rotation
reflection
- 15. Multiple ChoicePoint C (-5, 4) is reflected over the x-axis. What are the coordinates of C'?(5, 4)(-5, -4)(5, -4)(-5, 4)
- 16. Multiple ChoiceB(-2, -4)
Reflect over the line y = x(2, -4)(-4, 2)(-4, -2)(4, 2) - 17. Multiple ChoiceTell whether the shaded figure is a reflection of the nonshaded figure.YesNo
- 18. Multiple Choice
When an object is reflected over a line, does the object change size?
Yes
No
Not enough information
- 19. Multiple Choice
When an object is reflected over the line y=x, what happens to the x- and y-coordinates?
The x-coordinate takes the opposite sign, and the y-coordinate stays the same.
The y-coordinate takes the opposite sign, and the x-coordinate remains the same.
The x- and y-coordinates change places.
- 20. Multiple Choice
What is the line of reflection in the figure?
y = x
x-axis
y-axis
origin
- Answer choicesTagsAnswer choicesTags