Concept explainers
(a)
To calculate: To write an equation in slope-intercept form of the line of the fit of the data
(a)
Answer to Problem 6PPS
Theequation in slope-intercept form of the line of the fit of the data is
Explanation of Solution
Given information: The life expectancy of someone born in 2020 is
Formula Used:
Equation of line passing through two points is given as
Calculation:
Given that life expectancy of someone born in 2020 is
Thus, points satisfying the line of fit is as follows:
Using two points form of line, equation of line is given as
Substituting the values in above equation,
Conclusion:
Hence, the equation of line is
(b)
To calculate: To predict the life expectancy of a person born in
(b)
Answer to Problem 6PPS
Thelife expectancy in 2015 is
Explanation of Solution
Given information: The life expectancy of someone born in 2020 is
Formula Used:
Equation of line passing through two points is given as
Calculation:
Given that life expectancy of someone born in 2020 is
Now, equation in slope-intercept form of the line of the fit of the data is
In order to calculate the life expectancy in year
Conclusion:
Hence, the life expectancy in 2015 is
Chapter 8 Solutions
Pre-Algebra Student Edition
Additional Math Textbook Solutions
Intermediate Algebra (7th Edition)
College Algebra (10th Edition)
Elementary and Intermediate Algebra: Concepts and Applications (7th Edition)
Graphical Approach To College Algebra
Linear Algebra and Its Applications (5th Edition)
- 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