Concept explainers
(a)
Sketch a
Year | |||||||
Number of Sunday newspapers |
(a)
Answer to Problem 1CYU
The scatter plot and the line of fits is shown by the following graph:
Explanation of Solution
Given:
Year | |||||||
Number of Sunday newspapers |
Concept Used:
The slope intercept form equation is
Where;
Slope:
Y-intercept:
Calculation:
Consider,
Year:
Number of Sunday newspapers:
There are seven points are given as:
Now use any two points to calculate the slope intercept from equation:
Now, the slope intercept form equation is written as:
Now put the value of
So, the final slope intercept form equation is:
The scatter plot and the line of fits are shown by the following graph by using the above data points and line of fit eq. or slope-intercept form eq.
Conclusion:
Hence, with the help of slope-intercept form the line of fit is drawn as above.
(b)
The number of Sunday newspapers in
(b)
Answer to Problem 1CYU
There are
Explanation of Solution
Given:
Concept Used:
The slope intercept form equation is
Where;
Slope:
Y-intercept:
Calculation:
From the first subpart:
The final slope intercept form equation is derived as:
Now, to calculate the number of Sunday newspapers
Conclusion:
Hence, Sunday newspapers for
Chapter 8 Solutions
Pre-Algebra, Student Edition
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