Determine whether the points A (- 2, 2), B (3, 12), C (1, 8) lie on a straight line.

Name: Determine whether the points A (- 2, 2), B (3, 12), C (1, 8) lie on a straight line.
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Question

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The points A, B, and C lie on a straight line if the slopes between each pair of points are equal. The slope between A and B is (12-2)/(3+2) = 2, and the slope between B and C is (8-12)/(1-3) = 2. Since the slopes are equal, the points lie on a straight line.

Determine Whether the Points a (- 2, 2), B (3