Bundle: Macroeconomics, 13th + Aplia, 1 Term Printed Access Card
13th Edition
ISBN: 9781337742375
Author: Roger A. Arnold
Publisher: Cengage Learning
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Chapter A, Problem 7QP
To determine
Special characteristics of a 45-degree line.
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Calculate the slope and vertical intercept of the line that goes through the points described in the table below.
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y
72
65
58
51
44
37
30
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vertical intercept=
slope =
On a graph, a positive linear relationship moves down from left to right. This statement is right or wrong? WHY?
Chapter A Solutions
Bundle: Macroeconomics, 13th + Aplia, 1 Term Printed Access Card
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- CH SESSION 1.2: SELF-ASSESSMENT EXERCISE 1. Briefly explain the use of graphs as a way to represent economic relationships. What is an inverse relationship? How does it graph? What is direct relationship? How does it graph? 2. Graph each of the following sets of numbers in table 2 below. Draw a line through the points and calculate the slope of each line. 2X4 1 2 3 1 Y 5 10 20 X 0 5 20 2 Y 0 5 10 20 X 1 2 3 3 Y 25 20 15 X 0.1 0.3 Y 100 75 50 25 Table 2 3. For each of the graphs in table 2 above, determine whether the curve has a positive or a negative slope. Give an intuitive explanation for what is happening with the slope of each curve. ICON 1000 Principles of Economics I- UNIT 1 11arrow_forwardThe mathematical slope of the steeper line is _____ the slope of the less-steep line.arrow_forwardFor the part we are going to explore a new set of data. Is there any reason to think that there is a relationship between number of cousins a student has and number of hours the student worked? Let's do some data mining and find out if there is a relationship in our sample. The following chart shows sample data for ten observations. The blank columns in the chart can be used to help you organize your calculations, but will not be graded. Index Number Hours number of Worked (i) Cousins 1 7 0 2 3 30 3 2 11 4 20 18 5 18 21 6 12 25 7 2 15 8 15 40 9 25 30 10 6 20arrow_forward
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