As illustrated within the text, the twentieth century saw highs and lows in the arena of civil rights for African-Americans. At every opportunity—whether through war or legislation—black and white

Name: ____________________________ ECON2301 Math and Graph Review 1. Explain and illustrate a positive relationship between two variable on a table and in a graph. Identify the independent and dependent variables. (Do NOT use supply or demand as an example) 2. Explain and illustrate a negative relationship between two variable on a table and in a graph. Identify the independent and dependent variables. (Do NOT use supply or demand as an example) 3. Explain and illustrate graphically the difference between a “movement along a curve” and a “shift of the curve” . (Do NOT use supply or demand as an example) 4. Gas decreases from $4 per gallon to $2 per gallon. What is the percent change in the price per gallon of gas? Name: ____________________________ ECON2301 Math and Graph Review Hamburgers Tacos 0 10 1 8 2 6 3 4 4 2 5 0 5. The table above shows the various combinations of tacos and hamburgers a local food truck may produce in 1 hour. What is the total cost if hamburger production is increased from 2 hamburgers to 4 hamburgers per hour? (i.e. what is the total number of tacos the food truck gives up) 6. The table above shows the variou s combinations of tacos and hamburgers a local food truck may produce in 1 hour. What is the marginal cost if hamburger production is increased from 2 hamburgers to 4 hamburgers per hour? (i.e. how many tacos does the food truck give up per hamburger gain ed) Name: ____________________________ ECON2301 Math and Graph Review The equation of a Line Y = b + m(X) represents the slope -intercept equation of a line. Answer all of the questions based on the equation: C = $200 + .8 (DI); where C is daily con sumption expenditures and DI is daily disposable income or a household. 1. What is the slope of the line? Interpretation: A ________ Change in DI causes a _______ change in consumption, in the same direction. 2. When DI = $2000, C is _______ 3. When DI = $4,000, C is _______ 4. When DI = $0, C is _______ 5. The Y-intercept is $200. Interpretation: When DI is equal to _______ , Consumption expenditures are equal to _______ . 6. What type of relationship exists between DI and C. 7. Complete the following table based on the equation C = $200 + 0.8(DI) Combination Disposable Income (DI) Consumption (C) Saving (S) A $0 B $1000 C $2000 D $3000 E $4000