Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  Independent Practice  

  • Question 1 (request help)

    A teacher read part of a book to a class. The graph shows the number of pages read by the teacher over the next several days. Find an interpret the rate of change and the initial value.
  • Rate of change:     pages per day
    Initial Value:     pages
  • Question 2 (request help)

    A water park charges a rental fee plus $1.50 per hour to rent inflatable rafts. The total cost to rent a raft for 6 hours is $15. Assume the relationship is linear. Find and interpret the rate of change and the initial value.
  • Rate of change: $     per hour
    Initial Value: $    
  • Question 3 (request help)

    A teacher already had a certain number of canned goods for a food drive. Each day of the food drive, the class plans to bring in 10 cans. The total number of canned goods for day 10 in 205. Assume the relationship is linear. Find and interpret the rate of change and the initial value.
  • Rate of change:     cans per day
    Initial Value:     cans
  • Question 4 (request help)

    Melissa frosted some cupcakes in the morning for a party. The table shows the total number of cupcakes frosted after she starts up after lunch. Assume the relationship between the two quantities is linear. Find and interpret the rate of change and the initial value.
  • Rate of change:     cupcakes per minute
    Initial Value:     cupcakes
  • Question 5 (request help)

    Jonas has a certain number of DVDs in his collection. The table shows the total number of DVDs in his collection over several months. Assume the relationship between the two quantities is linear. Find and interpret the rate of change and the initial value.
  • Rate of change:     DVDs per month
    Initial Value:     DVDs

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