Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  Extra Practice  

Copy and Solve For Exercises 8-16, show your work an answers on a separate piece of paper.

  • Question 8 (request help)

    Construct and interpret a scatter plot of the data collected by a travel agency. If a relationship exists, make a conjecture about the number of visitors in month 12.
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  • Question 9 (request help)

    The table shows the number of junk E-mails Petra received over the last 10 days.

    a. Construct a scatter plot of the data.
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  • Question 9 (request help)

    b. Interpret the scatter plot of the data based on the shape of the distribution.
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  • Question 9 (request help)

    c. If the relationship exists, make a conjecture about the number of junk E-mails on Day 15.
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Explain whether the scatter plot of the data for each of the following shows a positive, negative, or no association.

  • Question 12 (request help)

    Multiple Representations A thirteen-year-old takes an average of 14 breaths per minute.

    a. Tables Let x represent minutes and y represent the number of times the teenager breathes. Make a table using the x-values of 1, 2, 3, 4, 8, and 10.
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  • Question 12 (request help)

    b. Graphs Make a scatter plot of the data. Describe the association between minutes and the number of times a person breathes.
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  • Question 12 (request help)

    c. Words Predict how many times a person would breathe in 25 minutes. Explain your reasoning.
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