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In the coordinate plane above, point C is not displayed. If the length

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In the coordinate plane above, point C is not displayed. If the length  [#permalink]

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New post 18 Sep 2018, 21:26
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A
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C
D
E

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59% (01:20) correct 41% (01:58) wrong based on 34 sessions

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In the coordinate plane above, point C is not displayed. If the length of line seg­ment BC is twice the length of line segment AB, which of the following could not be the coordinates of point C?

(A) (-5,-2)

(B) (9, 12)

(C) (10, 11)

(D) (11, 10)

(E) (13, 4)

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Re: In the coordinate plane above, point C is not displayed. If the length  [#permalink]

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New post 18 Sep 2018, 21:38
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A

Length of AB is 5 by pythagoras theorem. so length of BC must be 10.
Except A, all point are at a distance of 10 from point B.
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Re: In the coordinate plane above, point C is not displayed. If the length  [#permalink]

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New post 18 Sep 2018, 22:00
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ankitpandey wrote:
A

Length of AB is 5 by pythagoras theorem. so length of BC must be 10.
Except A, all point are at a distance of 10 from point B.

The ans is actually c and not a

A gives you a distance of 10 when you use the distance formula

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Re: In the coordinate plane above, point C is not displayed. If the length &nbs [#permalink] 18 Sep 2018, 22:00
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In the coordinate plane above, point C is not displayed. If the length

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