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Needed a Test for straight lines?
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Needed a Test for straight lines? Related: Maths Class 11 - Notes, Q...
A common test for straight lines is to determine if three given points are collinear. If three points (x1, y1), (x2, y2), and (x3, y3) are collinear, then the slope of the line passing through them should be the same. The slope can be calculated using the formula:

m = (y2 - y1) / (x2 - x1)

To test for collinearity, calculate the slope between the first two points and then between the second and third points. If the slopes are equal, then the three points are collinear.

You can use this test to determine if points are collinear or not. Additionally, you can also use this test to find the equation of a line passing through two points by calculating the slope and then using the point-slope form of a line.
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Needed a Test for straight lines? Related: Maths Class 11 - Notes, Questions, Videos & MCQs?
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