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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2506
Given Kudos: 1055
GPA: 3.39
In the xy-plane, line k has positive slope and x-intercept 4. If the a
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10 Dec 2022, 02:10
10 Dec 2022, 02:10
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Expert Reply
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Question Stats:
30% (00:41) correct
70% (01:31) wrong based on 10 sessions
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In the xy-plane, line k has positive slope and x-intercept 4. If the area of the triangle formed by line k and the two axes is 12, what is the y-intercept of line k ?
A. -6
B. -4
C. -3
D. 3
E. 6
A. -6
B. -4
C. -3
D. 3
E. 6
Re: In the xy-plane, line k has positive slope and x-intercept 4. If the a
[#permalink]
11 Dec 2022, 14:04
11 Dec 2022, 14:04
Expert Reply
Positive slope (line goes like /) and positive x-intercept means that y-intercept will be negative. The area of the triangle would be (1/2)*(value of x-intercept)*(the value of y-intercept) --> \(area=\frac{1}{2}*4*|y|=12\) --> \(|y|=6\) --> as y-intercept is negative, then \(y=-6\).
Answer: A.
Answer: A.
gmatclubot
Re: In the xy-plane, line k has positive slope and x-intercept 4. If the a [#permalink]
11 Dec 2022, 14:04
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