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Two line l and k intersect at a point (4,3). Is the product of their s

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Intern
Intern
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B
Joined: 29 Jul 2017
Posts: 3

Kudos [?]: 2 [0], given: 40

Two line l and k intersect at a point (4,3). Is the product of their s [#permalink]

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New post 11 Aug 2017, 09:57
00:00
A
B
C
D
E

Difficulty:

  65% (hard)

Question Stats:

20% (01:52) correct 80% (02:01) wrong based on 5 sessions

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Two lines l and k intersect at a point (4,3). Is the product of their slopes -1?

1) x intercepts of line l and k are positive
2) y intercepts of line l and k are negative

A) Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked
B) Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked
C) Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone
D) Each statement alone is sufficient to answer the question
E) Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements
[Reveal] Spoiler: OA

Kudos [?]: 2 [0], given: 40

Intern
Intern
avatar
B
Joined: 16 Jun 2015
Posts: 11

Kudos [?]: 2 [0], given: 33

Schools: HBS '20, Wharton '20
Re: Two line l and k intersect at a point (4,3). Is the product of their s [#permalink]

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New post 11 Aug 2017, 10:04
B tells us that both slopes are positive, two positive numbers have a positive product

Kudos [?]: 2 [0], given: 33

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Math Expert
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V
Joined: 02 Sep 2009
Posts: 41871

Kudos [?]: 128507 [0], given: 12179

Re: Two line l and k intersect at a point (4,3). Is the product of their s [#permalink]

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New post 11 Aug 2017, 11:28
sanahazari wrote:
Two lines l and k intersect at a point (4,3). Is the product of their slopes -1?

1) x intercepts of line l and k are positive
2) y intercepts of line l and k are negative

A) Statement 1 alone is sufficient but statement 2 alone is not sufficient to answer the question asked
B) Statement 2 alone is sufficient but statement 1 alone is not sufficient to answer the question asked
C) Both statements 1 and 2 together are sufficient to answer the question but neither statement is sufficient alone
D) Each statement alone is sufficient to answer the question
E) Statements 1 and 2 are not sufficient to answer the question asked and additional data is needed to answer the statements


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Kudos [?]: 128507 [0], given: 12179

Re: Two line l and k intersect at a point (4,3). Is the product of their s   [#permalink] 11 Aug 2017, 11:28
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