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Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  • Question 6 (request help)

    Model with Mathematics Refer to the graphic novel frame below. On the beach, a cable is attached to the pier. The line formed by the cable has a slope of \(\cfrac{3}{5}\). Is the triangle formed by the pier, the beach, and the cable similar to the triangle formed by the boat, the parasailer, and the rope? Explain.

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  H.O.T. Problems Higher Order Thinking  

  • Question 7 (request help)

    Model with Mathematics On a separate piece of grid paper, draw the graph of a line with a positive slope. Draw two slope triangles formed by the line. Demonstrate that the simplified ratio of the rise to the run of each triangle is equivalent to the slope.

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  • Question 8 (request help)

    Persevere with Problems The slope of a line is -3.5. Find two possible measurements for the legs of similar slope triangles. Explain your reasoning.

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  • Question 9 (request help)

    Reason Inductively Triangle JKL has vertices J(0, 0), K(1, 0), and L(1, 2). Determine if each triangle is similar to and/or slope triangle with ΔJKL.

    a. ΔABC: A(1, 2), B(1, 6), C(3, 6)

    b. ΔMNPM(3, 1), N(6, 1), P(6, 7)

    c. ΔRSTR(1, 2), S(4, 2), T(4, 5)

    d. ΔWXYW(0, 0), X(-1, -2), Y(0, -2)

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