Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  Independent Practice  

Graph each pair of similar triangles. Then write a proportion comparing the rise to the run for each of the similar slope triangles and find the numeric value.

  • Question 1 (request help)

    ΔABC with vertices A(-6, -1), B(-4, -1), and C(-6, -3); ΔNLM with vertices N(-3, 3), L(0, 3), and M(-3, 0).
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  • Question 2 (request help)

    ΔFGH with vertices F(2, 3), G(2, -1), and H(-6, 3); ΔJKL with vertices J(0, 2), K(0, 0), and L(-4, 2).
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  • Question 3 (request help)

    The plans for a skateboard ramp are shown. Use two points to find the slope of the ramp. Then verify that the slope is the same at a different location by choosing a different set of points.
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  • Question 4 (request help)

    A ladder is leaning up against the side of a house. Use two points to find the slope of the ladder. Then verify that the slope is the same at a different location by choosing a different set of points.
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  • Question 5 (request help)

    Reason Abstractly Triangle XYZ has vertices X(0, 0), Y(10, 0), and Z(0, 6). Triangle MYP has vertices M(5, 0), Y(0, 10), and P(x, y). Find the missing coordinates for P if \(\text{ΔMYP}\sim\text{ΔXYZ}\).
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