Concept explainers
a.
To find the slope of line
a.
Answer to Problem 1WE
The slope of line
Explanation of Solution
Given:
The points are
Calculation:
Slope of a line when two points
points are
Slope of line
Therefore, the slope of line
b.
To find the slope of any line parallel to
b.
Answer to Problem 1WE
The slope of any line parallel to
Explanation of Solution
Given:
The points are
Calculation:
Since, the slope of two lines parallel to each other is same
Slope of line
Therefore, the slope of any line parallel to
c.
To find the slope of any line perpendicular to
c.
Answer to Problem 1WE
The slope any line perpendicular to
Explanation of Solution
Given:
The points are
Calculation:
Since, the product of the slope of two lines perpendicular to each other
Consider slope of any line perpendicular to
Slope of line
Also,
Therefore, the slope any line perpendicular to
Chapter 13 Solutions
McDougal Littell Jurgensen Geometry: Student Edition Geometry
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