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Mathematics
10th
grade
Dilations and Rigid/Non-Rigid Transformations HW #2
20 questions
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- 1. Multiple ChoiceDefinition: The figure before a transformation has occurred.Pre-imageImageTranslationReflection
- 2. Multiple ChoiceDefinition: The figure after a transformation has occurred.Pre-imageImageTranslationReflection
- 3. Multiple ChoiceDefinition: The figure before a transformation has occurred.Pre-imageImageTranslationReflection
- 4. Multiple ChoiceA dilation always produces a congruent figure.TrueFalse
- 5. Multiple ChoiceA dilation is which of the following:only an enlargementonly a reductioneither an enlargement or a reductionneither an enlargement nor a reduction
- 6. Multiple ChoiceA dilation always produces a similar figure. Similar figures have the same ______ but different ______.measure; shapessizes; shapesvalue; measuresshape; sizes
- 7. Multiple ChoiceHow do you write the algebraic notation when the scale factor is 3?(x, y) goes to (1/3x, 1/3y)(x, y) goes to (-3x, -3y)(x, y) goes to (x + 3, y + 3)(x, y) goes to (3x, 3y)
- 8. Multiple Choice
When the scale factor of a dilation is less than one, the dilation is a...
Reduction
Enlargement
- 9. Multiple Choice
If an image is dilated by a scale factor below, the dilation is a...
Reduction
Enlargement
- 10. Multiple ChoiceState the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.(5,3)(20,12)(-20,-12)(-5,-3)
- 11. Multiple ChoiceDilate Point B by a scale factor of 1/2(1.5,-4)(-1.5,1)(-1,-1.5)(-2,-2)
- 12. Multiple ChoiceDilate Point B by a scale factor of 3:(12,0)(12,12)(4,3)(0,12)
- 13. Multiple ChoiceTranslations, reflections and rotations are all known as ________________________.GeometryRigid TransformationsCongruentNon- Rigid Transformations
- 14. Multiple ChoiceWhich transformation is NOT a rigid motion (the size changes)?reflectionrotationdilationtranslation
- 15. Multiple ChoiceA rigid motion ...preserves size and locationpreserves shape and locationpreserves size and shapemakes the figure larger
- 16. Multiple ChoiceA type of transformation where a figure is “flipped” over a line of symmetry. A reflection produces a mirror image of a figure.rotationtranslationdilationreflection
- 17. Multiple ChoiceA transformation that “turns” a figure about a fixed point at a given angle and a given direction.rotationtranslationreflectiondilation
- 18. Multiple ChoiceA slide is also called a _________.TranslationReflectionRotationTransformation
- 19. Multiple Choice
The non-rigid transformation that changes the size of the pre-image is called:
Dilation
Rotation
Translation
Reflection
- 20. Multiple ChoiceThe point (8, 12) was dilated to become point (2, 3). What was the scale factor?½¼42
- Answer choicesTagsAnswer choicesTags