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22 Aug 2019, 00:53
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In the coordinate system above, which of the following is the equation of line L?
A. 3x - 5y = 15
B. 3x + 5y = 15
C. 5x + 3y = 15
D. 3x - 5y = -15
E. 5x - 3y = 15
Attachment:
GFPS2090.jpg [ 3.09 KiB | Viewed 3223 times ]
22 Aug 2019, 00:54
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In the coordinate system above, which of the following is the equation of line L?
A. 3x - 5y = 15
B. 3x + 5y = 15
C. 5x + 3y = 15
D. 3x - 5y = -15
E. 5x - 3y = 15
Attachment:
GFPS2090.jpg
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https://gmatclub.com/forum/in-the-coord ... 44795.html
https://gmatclub.com/forum/in-the-coord ... 79319.html
Updated on: 22 Aug 2019, 01:15
Originally posted by freedom128 on 22 Aug 2019, 01:04.
Last edited by freedom128 on 22 Aug 2019, 01:15, edited 1 time in total.
Last edited by freedom128 on 22 Aug 2019, 01:15, edited 1 time in total.
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Line L intersects at (0,3). Substituting (x,y) with (0,3) into the equations in each option, we know that options (A), (C), (E) can be eliminated.
Line L intersects at (5,0). Substituting (x,y) with (5,0) into the equations in each REMAINING option, option (D) is obviously wrong.
Answer is (B): 3x + 5y = 15
Line L intersects at (5,0). Substituting (x,y) with (5,0) into the equations in each REMAINING option, option (D) is obviously wrong.
Answer is (B): 3x + 5y = 15
