Chapter 1 What Economics is About &Appendix A; Pre-Class 8: ln-Class Activities Packet Namell.D. Number Section: Date: Part 23. Matching Appendix \"A\" Key Terms & Concepts: Match the Key terms in Column \"A\" with the denitions in Column \"B\" by writing the block letter of your choice from Column \"B\" in the space provided under column \"A\" and match the denitions in column \"B\" with the meanings or examples or real world applications or facts or formulas in column \"C" by writing the lower letter case of your choice in the space provided under column \"B\". Column \"A\" Column \"B\" Column \"C\" _1. Directly Related _A. The value of the entire output produced annually within a country's borders. a. About$ 20.trillion for the US. in 2019 _2. Inverser Related _B. The ratio of the change in the variable on the vertical axis to the change in b. Measures rate of change = AWAX the variable on the horizontal axis. _3. Independent _ C. Two variables are independent if, as one changes, the other remains constant. c. Negatively related, if n > yr _4. Slope _ D. Two variables are inversely related if they change in opposite ways. d. Positively related, if H > rt _5. Gross Domestic _ E. Two variables are directly related if they change in the same way e. No predictable relationship exist Product (GDP) between the two economic variables