Concept explainers
Geometry: Collinear Points Using the result obtained in Problem 57, show that three distinct points , , and are collinear (lie on the same line) if and only if
To find: The result that three distinct points and are collinear if and only if the determinant equation:
Answer to Problem 58AYU
Explanation of Solution
Expanding the following determinant equation we get,
Again we know that the condition of collinearity of three points and is:
The above is same as the expanded form of determinant equation.
Hence the proof.
Chapter 11 Solutions
Precalculus
Additional Math Textbook Solutions
Glencoe Math Accelerated, Student Edition
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