Concept explainers
(a)
To write: The linear equation that gives the distance
(a)
Answer to Problem 36PPS
The linear equation is
Explanation of Solution
Given:
Miles | Kilometers |
100 | 161 |
50 | 80.5 |
Calculation:
Find the slope of the line passing through these points.
Substitute 100 for
Substitute 100 for
Plot the graph of the equation.
Figure (1)
Therefore, the linear equation is
(b)
To find: The distance in kilometers corresponds to 20 miles.
(b)
Answer to Problem 36PPS
The Ms. Cooper’s daily salary is
Explanation of Solution
Substitute 20 for
Therefore, the distance in kilometers corresponds to 20 miles is
(c)
To find: The number that is same in kilometers and miles.
(c)
Answer to Problem 36PPS
The number is 0.
Explanation of Solution
As shown in the graph 0 is the only number because this is the point on the graph where x value and y values are same.
Therefore, the number is 0.
Chapter 2 Solutions
Algebra 2
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