Concept explainers
(a)
ToDraw:The
(a)
Answer to Problem 13PT
Explanation of Solution
Given:The hospital tracks the number of emergency room visits during the fall and winter months.
The scatter plot is given by
And the slope of the line is positive
Thus
It is a positive correlation.
(b)
To Find: Theprediction equation using two ordered pairs.
(b)
Answer to Problem 13PT
Explanation of Solution
Given: The hospital tracks the number of emergency room visits during the fall and winter months.
Using the points
Now,
Then using point
Hence, the equation is
(c)
To Predict:The number of emergency room visits for March.
(c)
Answer to Problem 13PT
March will have
Explanation of Solution
Given: The hospital tracks the number of emergency room visits during the fall and winter months.
Using the prediction equation
The month of March would be
Put
Hence, the March will have
Chapter 2 Solutions
Algebra 2
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