The area, if possible, of the triangle, the coordinates of whose vertices are given or show that the points are collinear.
Answer to Problem 130CR
The three given points are collinear.
Explanation of Solution
Given: The given coordinates of the points are
Concept Used: Consider a triangle whose vertices have the coordinates
In case the three points are collinear, the value of the determinant will be zero.
Calculations: The given coordinates are
Since the area of the triangle associated with the given points is zero, hence the three given points are collinear.
Chapter 7 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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