Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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Triangle ABC has vertices A(0, 0), B(2, 4), and C(6, 0). Match each image with the description of its transformations.

  • Question 1 (request help)

    1. A'(0, 0), B'(2, -4), C'(6, 0)          a. similar; a dilation with a scale factor of \(\cfrac{1}{2}\)

    2. A'(0, 0), B'(1, 2), C'(3, 0)          b. congruent; a 90° clockwise rotation about the origin

    3. A'(0, 0), B'(4, -2), C'(0, -6)          c. congruent; a reflection over the x-axis

    4. A'(2, -6), B'(6, 2), C'(14, -6)          d. similar; a translation of (x + 1, y - 3) followed by a dilation with a scale factor of 2
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