Concept explainers
a)
To find: equations lines passing through (0,4), and parallel to given line.
a)

Answer to Problem 9CT
Equations lines passing through (0,4), and parallel to given line is
Explanation of Solution
Given:
Given line equation:
To find equations lines passing through (0,4), and parallel to line
First lets to find slope of the given line.
So, slope of the line is
Line parallel to any given line must have same slope. So line passing through (0,4) and parallel to given line has equation given as
Thus,
b)
To find: equations lines passing through (0,4), and perpendicular to given line
b)

Answer to Problem 9CT
Equations lines passing through (0,4), and perpendicular to given line is:
Explanation of Solution
Given:
Given line equation:
To find equations lines passing through (0,4), and perpendicular to given line
Line perpendicular to any given line must have negative reciprocal slope. So, line passing through (0,4) and perpendicular to given line has a slope of NA and it's equation of line will be given as
Thus,
Chapter 1 Solutions
EBK PRECALCULUS W/LIMITS
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