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Points A, B and C having coordinates (2, 4), (5, 3) & (k, 1), respec
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27 Nov 2024, 01:23
27 Nov 2024, 01:23
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Points A, B and C having coordinates (2, 4), (5, 3) & (k, 1), respectively, are collinear. What is the value of k?
A. 1
B. 5
C. 9
D. 11
E. 12
A. 1
B. 5
C. 9
D. 11
E. 12
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Re: Points A, B and C having coordinates (2, 4), (5, 3) & (k, 1), respec
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27 Nov 2024, 15:11
27 Nov 2024, 15:11
1
Collinear means points are on the same line
Gradient
4 - 3/2 - 5 = - 1/3
- 1/3 = 1 - 3/k - 5
-k + 5 = 3 - 9
k = 11
Answer D
Gradient
4 - 3/2 - 5 = - 1/3
- 1/3 = 1 - 3/k - 5
-k + 5 = 3 - 9
k = 11
Answer D
gmatclubot
Re: Points A, B and C having coordinates (2, 4), (5, 3) & (k, 1), respec [#permalink]
27 Nov 2024, 15:11
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