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Concept explainers
a.
To write: An equation of line of best fit for given data and to further graph the points and plot the line.
a.
![Check Mark](/static/check-mark.png)
Answer to Problem 19E
Equation of the of line of best fit is
Explanation of Solution
Given Information: Data values of mileage,
Calculation:
Entering the data and using the linear regression feature in the graphing calculator,
As
Thus, equation of line of best fit is
Graph:
b.
To identify and interpret: The
b.
![Check Mark](/static/check-mark.png)
Answer to Problem 19E
Data values have
Explanation of Solution
Given information: Graphing calculator display from the previous part.
Interpretation:
From the graphing calculator display in the previous part it can be inferred that
c.
To interpret: The slope and
c.
![Check Mark](/static/check-mark.png)
Answer to Problem 19E
Slope is negative.
Line of best fit crosses the
Explanation of Solution
Given Information: Graphing calculator display from previous part.
Interpretation:
From the graphing calculator display shown in part
d.
To approximate: Mileage of automobile with cost
d.
![Check Mark](/static/check-mark.png)
Answer to Problem 19E
The mileage would be
Explanation of Solution
Given Information: Cost is
Interpretation:
Substituting the value
Thus, the mileage would be
e.
To predict: Price of automobile with given mileage.
e.
![Check Mark](/static/check-mark.png)
Answer to Problem 19E
Cost would be
Explanation of Solution
Given Information: Mileage is
Interpretation:
Substituting the value
Thus, the cost would be
Chapter 4 Solutions
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
- Algebra and Trigonometry (6th Edition)AlgebraISBN:9780134463216Author:Robert F. BlitzerPublisher:PEARSONContemporary Abstract AlgebraAlgebraISBN:9781305657960Author:Joseph GallianPublisher:Cengage LearningLinear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning
- Algebra And Trigonometry (11th Edition)AlgebraISBN:9780135163078Author:Michael SullivanPublisher:PEARSONIntroduction to Linear Algebra, Fifth EditionAlgebraISBN:9780980232776Author:Gilbert StrangPublisher:Wellesley-Cambridge PressCollege Algebra (Collegiate Math)AlgebraISBN:9780077836344Author:Julie Miller, Donna GerkenPublisher:McGraw-Hill Education
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