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- 1. Multiple ChoiceDilate the figure by a scale factor of 3 with the origin as the center of dilation. What are the coordinates of the image?
A(3,3) B(6,6) C(9,3)A'(9,9) B'(18,18) C'(27,9)A'(6,6) B'(9,9) C'(12,6)A'(0,0) B'(3,3) C'(6,0)A'(1,1) B'(2,2) C'(3,1) - 2. Multiple Choice
Tell whether the transformation is a dilation. Explain.No, scale factor isn't the same.Yes, scale factor is the same. - 3. Multiple ChoiceTell whether each transformation is a dilation. Explain.No, scale factor isn't the same.Yes, scale factor is the same
- 4. Multiple ChoiceA triangle has vertices with coordinates (2,0), (3, -1) and (-2,-5). If the triangle is dilated by a scale factor of 3 with the origin as the center of dilation, what are the coordinates of the vertices of the image?(5,3), (6,2), (1,-2)(6,0), (9,-3), (-6,-15)(2/3,0), (1,-1/3), (-2/3,-5/3)(-1,-3), (0,-4), (-5,-8)
- 5. Multiple ChoiceWhich of the following are Dilations?(x, y) → (x, 3y)(x, y) → (3x, 3y)(x, y) → (x, y - 3)(x, y) → (.5x, .4y)
- 6. Multiple ChoiceThe __________ is the ratio of a length of the image to the corresponding length on the original figure.reductionenlargementscale factorcenter of dilation
- 7. 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)
- 8. Multiple ChoiceChoose the correct scale factor:2.51.53.54
- 9. Multiple ChoiceChoose the correct scale factor:231/31/2
- 10. Multiple ChoiceThe point (8, 12) was dilated to become point (2, 3). What was the scale factor?½¼42
- 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 ChoiceSimilar figures have the same ______ but different ______.measure; shapessizes; shapesvalue; measuresshape; sizes
- 14. Multiple ChoiceFind the measure of x:6243336
- 15. Multiple ChoiceThe triangles are similar. Find the value of x:30452354
- 16. Multiple ChoiceThe triangles are similar. Find the measure of x:151269
- 17. Multiple ChoiceIn this figure, triangle JBW is similar to triangle QKA, which of the following is true?JW/JB = QA/KAJB/BW = QK/KABW/JW = KQ/KA
- 18. Multiple ChoiceAre the triangles similar?YesNo
- 19. Multiple ChoiceIn a dilation what mathematical operation is used with the scale factor?additionsubtractionmultiplicationdivision
- 20. Multiple ChoiceThe red triangle has been dilated by a scale factor of 1/4, which triangle is it's image?green trianglered triangleblack trianglenone of these
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