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Chapter 2 Thinking Like an Economist

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Question;115. In the ordered pair (10,30), 10 is the horizontal location of the;point and 30 is the vertical location of the point.;116. Two variables that have a positive correlation move in the same;direction.;117. Two variables that have a negative correlation move in opposite;directions.;118. When two variables move in opposite directions, the curve relating;them is upward sloping, and we say the variables are positively related.;119. When two variables move in the same direction, the curve relating;them is downward sloping, and we say the variables are negatively related.;120. When a variable that is named on an axis of a graph changes, the;curve shifts.;121. When a variable that is not named on either axis of a graph;changes, we read the change as a movement along the curve.;122. The concept of slope can be used to answer questions about how much;one variable responds to changes in another variable.;123. The slope of a line is equal to the change in the x-variable;divided by the change in the y-variable.;124. The slope of an upward-sloping line is positive, and the slope of a;downward-sloping line is negative.

 

Paper#55210 | Written in 18-Jul-2015

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