Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 HMH Go Math - Answer Keys
Chapter 3: Proportional Relationships; Lesson 2: Rate of Change and Slope


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  • Question 15 (request help)

    Multiple Representations

    Graph parallelogram ABCD on a coordinate plane with vertices at A(3, 4), B(6, 1), C(0, -2), and D(-3, 1).

    a. Find the slope of each side.
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  • Question 15 (request help)

    b. What do you notice about the slopes?
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  • Question 15 (request help)

    c. Draw another parallelogram on the coordinate plane. Do the slopes have the same characteristics?
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  H.O.T.  

  Focus on Higher Order Thinking  

  • Question 16 (request help)

    Communicate Mathematical Ideas

    Ben and Phoebe are finding the slope of a line. Ben chose two points on the line and used them to find the slope. Phoebe used two different points to find the slope. Did they get the same answer? Explain.
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  • Question 17 (request help)

    Analyze Relationships

    Two lines pass through the origin. The lines have slopes that are opposites. Compare and contrast the lines.
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  • Question 18 (request help)

    Reason Abstractly

    What is the slope of the x-axis? Explain.
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