Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys

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  • Question 4 (request help)

    Model with Mathematics Refer to the graphical novel frame below for Exercises a-b.

    a. The scatter plot shows the average ticket prices since 1995. Draw a line that best represents the data in your scatter plot.

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  • Question 4 (request help)

    b. Write an equation in slope-intercept form for the line of best fit. Make a conjecture about the cost of a movie ticket in 2020.

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  H.O.T. Problems Higher Order Thinking  

  • Question 5 (request help)

    Use Math Tools Use a newspaper or the Internet to find a scatter plot that consists of at least seven data points. Tape the scatter plot to your book. Draw a line of best fit and write an equation for the line.

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  • Question 6 (request help)

    Persevere with Problems Describe or draw a scatter plot where a line of fit does not model the data. Explain your reasoning to a classmate.

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  • Question 7 (request help)

    Justify Conclusions Determine whether each statement is always, sometimes, or never true for data with a positive association. Justify your response.

    a. The statement of the line of best fit is positive.

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