Homework Explained - Math Practice 101

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Grade 8 HMH Go Math - Answer Keys
Chapter 9:Transformations and Congruence; Lesson 5: Congruent Figures


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  • Question 11 (request help)

    Represent Real-World Problems A city planner wanted to place the new town library at site A. The mayor thought that it would be better at site B. What transformations were applied to the building at site A to relocate the building to site B? Did the mayor change the size or orientation of the library?

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  • Question 12 (request help)

    Persevere in Problem Solving Find a sequence of three transformations that can be used to obtain figure D from figure A. Graph the figures B and C that are created by the transformations.

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FOCUS ON HIGHER ORDER THINKING

  • Question 13 (request help)

    Counterexamples The Commutative Properties for Addition and Multiplication state that the order of two numbers being added or multiplied does not change the sum or product. Are translations and rotations commutative? If not, give a counterexample.

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  • Question 14 (request help)

    Multiple Representations For each representation, describe a possible sequence of transformations.

    a. (x, y) → (-x - 2, y + 1)

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