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Grade 8 McGraw Hill Glencoe  Answer Keys
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Extra Practice
Copy and Solve For Exercises 814, 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
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b. Write an equation in slopeintercept form for the line of fit and interpret the slope and yintercept.
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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
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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.
Type below:


Question 9
(request help)
b. Write an equation in slopeintercept form for the line of fit and interpret the slope and yintercept.
Type below:


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.
Type below:


Question 10
(request help)
b. Write an equation in slopeintercept form for the line of fit and interpret the slope and yintercept.
Type below:


Question 10
(request help)
c. Use the equation to make a conjecture about the cost of apples in the year 2025.
Type below:
