Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  • Question 9 (request help)

    Multiple Representations Points A(-2, 1), B(-2, 6), and C(1, 3) are the vertices of the triangle.

    a. Graphs Graph the points A(-2, 1), B(-2, 6), and C(1, 3).
  • Type below:
  • Question 9 (request help)

    b. Words Explain how to find the length of segment BC.
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  • Question 9 (request help)

    c. Numbers Find the length of each side of ΔABC. Round to the nearest tenth if necessary.

    \(\text{AC} \approx\) _____

    \(\text{AB} \approx\) _____

    \(\text{BC} \approx\) _____
  • \(\text{AC} \approx\)     units
    \(\text{AB} =\)    units
    \(\text{BC} \approx\)    units
  • Question 9 (request help)

    d. Numbers What is the perimeter of ΔABC? Use the value from part c.

    perimeter = _____
  • perimeter =     units

  H.O.T. Problems Higher Order Thinking  

  • Question 10 (request help)

    Use Math Tools Layla needs to find the distance between the points A(–2.4, 3.7) and B(4.6, –1.3). Suggest a tool she could use to find the length. Then find the length. Explain your reasoning.
  • About     units
  • Question 11 (request help)

    Persevere with Problems Apply what you have learned about distance on the coordinate plane to determine possible coordinates of the endpoints of a line segment that is neither horizontal nor vertical and has a length of 5 units.
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  • Question 12 (request help)

    Reason Inductively Compare the steps to find the distance between two points on the coordinate plane by first using the Pythagorean Theorem and then using the Distance Formula.
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