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Slope of a Line

Using the dis...

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Using the distance formula, show that the given points are collinear:

(i) (1, -1), (5, 2) and 9, 5 (ii) (6, 9), (0, 1) and (-6, -7)

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Q. Using distance formula show that the points L(4, 1), M(1,-3) and N(-2, -5) are collinear.

Q. Using distance formula prove that the following points are collinear:
(i) A(4, –3, –1), B(5, –7, 6) and C(3, 1, –8)
(ii) P(0, 7, –7), Q(1, 4, –5) and R(–1, 10, –9)
(iii) A(3, –5, 1), B(–1, 0, 8) and C(7, –10, –6)

Q. Using the distance formula, show that the points (1, −1), (5, 2) and (9, 5) are collinear.

Show that the points (1, – 1), (5, 2) and (9, 5) are collinear. [2 MARKS]

Using distance formula prove that the following points are collinear

(i) A(4, -3, -1), B(5, -7, 6) and C(3, 1, -8)

(ii) P(0,7, -7), Q(1, 4, -5) and R(-1, 10, -9)

(iii) A(3, -5, 1), B(-1, 0, 8) and C(7, -10, -6)

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