Concept explainers
(a)
To predict the cost of attending the college in the 2016 − 2017 academic year.
(a)
Answer to Problem 3P
The cost of attending the college in the year 2016 − 2017 is
Explanation of Solution
Given information:
The equation of the line of best fit for the Average Tuition and fees at a Public College is:
Calculation:
Given,
Substitute 2016 for x
Simply the above equation.
Round to the nearest whole number.
We get,
∴The cost of attending a four − year public college in the 2016 − 2017 academic year is predicted to be about
(b)
To interpret slope of the line of best fit .
(b)
Explanation of Solution
Given information:
The equation of the line of best fit for the Average Tuition and fees at Public College is:
Formula Used:
An equation in the slope − intercept form is written as
Where m is the slope of the line and b is the y - intercept.
By comparing
Slope,
That is, rate of change of cost of attending the college is 409.43
That is, the cost of attending the college is increasing at a rate of 409.43
Chapter 5 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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