Concept explainers
Find the slope of a line that is perpendicular to line p.
Answer to Problem 22CCSR
The slope of the perpendicular to line p is
Explanation of Solution
Given:
Line p passes through points (5, − 4) and (2, 7). What is the slope of a line that is perpendicular to line p?
Concept Used:
The slope of a line with two points
The slope of the perpendicular to line p is
Calculation:
The slope of a line with two points
The points are:
We can write
Slope of line p is
The slope of the perpendicular to line p is
Thus, the slope of the perpendicular to line p is
Chapter 11 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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