SOLVED

  51) The slope of the line shown in the above figure is A) -1 3/8. B) -1 2/3. C) 5/8. D) -0.625.  52) The slope of the line shown in the above figure is A) 3/4. B) 2/3. C) 1 1/3. D) 1 3/4. 53) In the above figure, A) consumption expenditures are a linear function of labor income. B) the slope of the function depicted is 0.9. C) consumption expenditures are positively related to labor income. D) All of the above answers are correct. 54) The slope of the line in the above figure is A) -4. B) -2.5. C) -1.0. D) 1.0. 55) On a graph, an upward-sloping curve that is flatter as you move away from the origin indicates a A) positive relationship with an increasing slope. B) positive relationship with a decreasing slope. C) negative relationship with an increasing slope. D) negative relationship with a decreasing slope.  56) In the above figure, the curve’s slope is A) positive and is becoming steeper. B) positive and is becoming less steep. C) negative and is becoming steeper. D) negative and is becoming less steep. 57) If the price of apples is on the vertical axis and the quantity of apples demanded is on the horizontal axis, the slope between two points on the line describing the relationship between price and quantity is A) the change in price multiplied by the change in quantity. B) the change in price divided by the change in quantity. C) the change in quantity divided by the change in price. D) price divided by quantity. 58) The formula for the slope across an arc is used to approximate the slope for A) linear relationships only. B) a curved line. C) a positive relationship only. D) a negative relationship only. 59) The slope of a curved line can be approximated by A) the average of the variable measured along the y-axis divided by the average of the variable measured along the x-axis. B) the inverse of the straight-line method. C) the average of the variable measured along the x-axis divided by the average of the variable measured along the y-axis. D) the slope across an arc from one point on the curve to another point on the curve. 60) In the above figure, the slope across the arc between c and d is A) 1/2. B) 1. C) 4/3. D) 2.