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Find the point, M, that divides segment AB into a ratio of 5:2 if A is at (1, 2) and B is at (8, 16). A) (6, 12) B) (-6, 12) C) (6, -12) D) (-6, -12)
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Find the point, M, that divides segment AB into a ratio of 5:2 if A is at (1, 2) and B is at (8, 16). A) (6, 12) B) (-6, 12) C) (6, -12) D) (-6, -12)
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Jan 22, 2018
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Find the point, M, that divides segment AB into a ratio of 5:2 if A is at (1, 2) and B is at (8, 16).
A) (6, 12)
B) (-6, 12)
C) (6, -12)
D) (-6, -12)
Mathematics
high-school
Bobbaluba
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Since M divides segment AB into a ratio of 5:2, we can say that M is 5/(5+2) of the length of AB. Therefore 5/7 × AB.
distance of AB = d
5/7×(x2 - x1) for the x and 5/7×(y2 - y1) for the y
5/7×(8 - 1) = 5/7 (7) = 5 for the x
and 5/7×(16 - 2) = 5/7 (14) = 10 for the y
But remember the line AB starts at A (1, 2),
so add 1 to the x: 5+1 = 6
and add 2 to the y: 10+2 = 12
Therefore the point M lies exactly at...
A) (6, 12)
Bendl
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Jan 28, 2018
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