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Chapter 2 Thinking Like an Economist

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Question;40. Refer to Figure 2-14. The slope of the curve between points;A and B is;a.;-5;b.;-1/5;c.;1/5;d.;5;41. The slope of a line is equal to;a.;the;change in the value of x divided by the change in the value of y.;b.;the;change in the value of y divided by the change in the value of x.;c.;the;horizontal distance divided by the vertical distance.;d.;the;value of y divided by the value of x.;42. The slope of a line is equal to;a.;rise;divided by run.;b.;run;divided by rise.;c.;rise;minus run.;d.;rise plus;run.;43. Which of the following is notcorrect?;a.;The;slope of a line will be a small positive number for a fairly flat;upward-sloping line.;b.;The;slope of a line will be a large positive number for a steep upward-sloping;line.;c.;The;slope of a line will be a negative number for a downward-sloping line.;d.;The;slope of a line will be infinite for a horizontal line.;44. Which of the following is correct?;a.;A;horizontal line has an infinite slope, and a vertical line has a zero slope.;b.;A;horizontal line has a slope of 1, and a vertical line has a slope of -1.;c.;A;horizontal line has a zero slope, and a vertical line has an infinite slope.;d.;A;horizontal line has a slope of -1, and a vertical line has a slope of 1.;45. The slope of a fairly flat upward-sloping line will be a;a.;small;positive number.;b.;large;positive number.;c.;small;negative number.;d.;large;negative number.;46. The slope of a steep upward-sloping line will be a;a.;small;positive number.;b.;large;positive number.;c.;small;negative number.;d.;large;negative number.;47. The slope of a line that passes through the points (10, 15) and;(20, 7) is;a.;-5/4.;b.;-4/5.;c.;4/5.;d.;5/4.;48. The slope of a line that passes through the points (15, 10) and (7;30) is;a.;-5/2.;b.;-2/5.;c.;2/5.;d.;5/2.;49. The slope of a line passing through the points (12, 8) and (16, 5);is;a.;-3/4.;b.;3/4.;c.;-4/3.;d.;4/3.

 

Paper#55200 | Written in 18-Jul-2015

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