1.   What would you predict your resting heart rate would be if you exercise 25 minutes per day?
   
    A. 50 B. 100
    C. 120 D. 70
    Hint

  2.   What would you predict your heart rate would be if you exercise 40 minutes per day?
   
    A. 50 B. 10
    C. 120 D. 0
    Hint

  3.   How can a line graph be used to make predictions?
    A. It has a title.
    B. It shows a trend over time.
    C. It displays data.
    D. It has vertical and horizontal scales.
    Hint

  4.   Jordan runs 2 miles every day. He is tracking his progress on the graph below. Describe the trend in his running times over the last six months.
   
    A. There is no relationship.
    B. It takes Jordan less time to run 2 miles now than when he started.
    C. Jordan is spending more time running every day.
    D. Jordan is running fewer miles now than when he started.
    Hint

  5.   How much money do you predict Classic Comics will make on the Internet in July?
   
    A. $110 B. $120
    C. $130 D. $100
    Hint



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