Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  • Question 12 (request help)

    Multiple Representations The table shows the rates at which Ajay and Tory are biking along the same trail.

    a. Algebra Suppose Ajay began the trail 325 meters ahead of Tory. Write a system of equations to represent the distance y each person will travel after any number of minutes x.
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  • Question 12 (request help)

    b. Words Which person was farther along the trail after 5 minutes?
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  • Question 12 (request help)

    c. Graphs Graph the system. Use the graph to determine when Tory will catch up to Ajay.
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  • Question 12 (request help)

    d. Algebra Solve the system of equations algebraically. Interpret your solution. How does your solution compare to your estimate in part c?
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  H.O.T. Problems Higher Order Thinking  

  • Question 13 (request help)

    Persevere with Problems What is the solution to the system \(5\text{x} + \text{y} = 2\) and \(\text{y} = -5\text{x} + 8\)? Explain.
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  • Question 14 (request help)

    Identify Structure Describe when it is better to use substitution to solve a system of equations rather than graphing.
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  • Question 15 (request help)

    Which One Doesn't Belong? Circle the system of equations that does not belong with the other three. Explain your reasoning.
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