a.
Calculate the slope − intercept forms of the equations of the lines through the given points which are parallel to the given line.
a.
Answer to Problem 76E
The slope intercept form for the parallel line is
Explanation of Solution
Given:
It is given in the question that the coordinates and equation are
Concept Used:
In this , use the concept that the slope intercept form is
Calculation: The equation is
This,is the given line and is a vertical line.
So,a parallel line will also be a vertical line having the general equation ,
By,making this general equation satisfy the point
The parallel line will be :
Conclusion:
The equation is
b.
Calculate the slope − intercept forms of the equations of the lines through the given points which are perpendicular to the given line.
b.
Answer to Problem 76E
The slope intercept form for the perpendicular line is
Explanation of Solution
Given:
It is given in the question that the coordinates and equation are
Concept Used:
In this , use the concept that the slope intercept form is
Calculation: The equation is
A perpendicular line to that in the question will be a horizontal one with this general equation,
Again,make it satisfy the point
Now,the perpendicular line will be
Conclusion:
The equation is
Chapter 1 Solutions
Precalculus with Limits: A Graphing Approach
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