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Grade 8 McGraw Hill Glencoe - Answer Keys
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Test Practice |
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Question 15
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Triangle DEF is the image of triangle ABC after a sequence of transformations. Determine if each statement is true or false.
a. ΔABC was dilated by a scale factor of 3 to create ΔDEF.
b. The transformation represents a reduction.
c. The ratios \(\cfrac{\text{AB}}{\text{DF}}\) and \(\cfrac{\text{AC}}{\text{DE}}\) are equal.
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Question 16
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Which sequences of transformations would result in similar figures that are enlargements or reductions? Select all that apply.
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Spiral Review
Find the coordinates of the vertices of each figure after a dilation with the given scale factor k. Then graph the original image and the dilation. |
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Question 17
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M(0, 0), N(-1, 1), O(2, 3); k = 2
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Question 18
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A(-3, 3), B(3, 3), C(3, -3); k = \(\cfrac{2}{3}\)
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Question 19
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G(4, 4), H(2, -4), I(-4, -4), J(0, 2); k = \(\cfrac{1}{2}\)
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(show solution)