Concept explainers
(a)
The slope-intercept form equation for the equation of the line of fit with the help of the following graph:
(a)
Answer to Problem 2GP
The final slope intercept form equation is derived as
Explanation of Solution
Given:
Concept Used:
The slope intercept form equation is
Where;
Slope:
Y-intercept:
Calculation:
Consider,
Year since
Times:
There are two points are given in the graph:
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:
Conclusion:
Hence, slope-intercept form is derived with the help of the line of fit.
(b)
The winning time in the men’s
(b)
Answer to Problem 2GP
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 winning time
So, for the year
Conclusion:
Hence, wining time in the year
Chapter 8 Solutions
Pre-Algebra Student Edition
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