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 8-14, show your work and answers on a separate piece of paper.

  • Question 8 (request help)

    The table shows the storage amount and cost for flash drives at a local electronics store.

    a. Construct a scatter plot for the data. Then draw and assess a line that best represents the data.
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  • Question 8 (request help)

    b. Write an equation in slope-intercept form for the line of fit and interpret the slope and y-intercept.
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  • Question 8 (request help)

    c. Use the equation to make a conjecture about the cost of a flash drive with a storage capacity of 32 MB.
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  • Question 9 (request help)

    Model with Mathematics The table shows fat and Calories for fast food sandwiches.

    a. Construct a scatter plot for the data. Draw and assess a line that best represents the data.
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  • Question 9 (request help)

    b. Write an equation in slope-intercept form for the line of fit and interpret the slope and y-intercept.
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  • Question 9 (request help)

    c. Use the equation to make a conjecture about the number of grams of fat in a sandwich with 350 Calories.
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  • Question 10 (request help)

    The table shows the cost per pound of apples for several years.

    a. Construct a scatter plot for the data. Draw and assess a line that best represents the data.
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  • Question 10 (request help)

    b. Write an equation in slope-intercept form for the line of fit and interpret the slope and y-intercept.
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  • Question 10 (request help)

    c. Use the equation to make a conjecture about the cost of apples in the year 2025.
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