Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 HMH Go Math - Answer Keys
Chapter 9:Transformations and Congruence; Lesson 4: Algebraic Representations of Transformations


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Guided Practice

  • Question 1 (request help)

    Triangle XYZ has vertices X(-3, -2), Y(-1, 0), and Z(1, -6). Find the vertices of triangle X′Y′Z′ after a translation of 6 units to the right. Then graph the triangle and its image.
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  • Question 2 (request help)

    Describe what happens to the x- and y-coordinates after a point is reflected across the x-axis.
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  • Question 3 (request help)

    Use the rule (x, y) → (y, -x) to graph the image of the triangle at right. Then describe the transformation.
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ESSENTIAL QUESTION CHECK-IN

  • Question 4 (request help)

    How do the x- and y-coordinates change when a figure is translated right a units and down b units?
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