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The coordinates of point X are (a, b).
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07 Dec 2022, 13:57
07 Dec 2022, 13:57
Expert Reply
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Question Stats:
72% (00:44) correct
27% (01:20) wrong based on 18 sessions
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GRE The coordinates of point X are (a, b)..jpg [ 17.78 KiB | Viewed 1333 times ]
The coordinates of point X are (a, b).
Quantity A |
Quantity B |
-a |
b |
A. Quantity A is greater.
B. Quantity B is greater.
C. The two quantities are equal.
D. The relationship cannot be determined from the information given.
Re: The coordinates of point X are (a, b).
[#permalink]
07 Dec 2022, 19:58
07 Dec 2022, 19:58
1
A is roughly at the point 1.7
B is roughly at the point -1.1
QA = -1.7
QB = -1.1
-1.1 > -1.7 so QB is larger.
What from the graph allows us to assume that it is drawn to scale? Can we say with 100% certainty that A is further from the origin than B?
B is roughly at the point -1.1
QA = -1.7
QB = -1.1
-1.1 > -1.7 so QB is larger.
What from the graph allows us to assume that it is drawn to scale? Can we say with 100% certainty that A is further from the origin than B?
Re: The coordinates of point X are (a, b).
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11 Dec 2022, 05:00
11 Dec 2022, 05:00
Expert Reply
OE
Note that the line contains three points: (0, 0), (4, 5), and (x, 1.5). The slope between any two of these points is the same. Remember that slope is change in y over change in x. Thus, 5-0/4-0=1.5-0/x-0, or 5/4=1.5/x. Cross-multiply to find 5x = 6.0. Divide by 5 to find x = 1.2. The answer is choice (B).
Note that the line contains three points: (0, 0), (4, 5), and (x, 1.5). The slope between any two of these points is the same. Remember that slope is change in y over change in x. Thus, 5-0/4-0=1.5-0/x-0, or 5/4=1.5/x. Cross-multiply to find 5x = 6.0. Divide by 5 to find x = 1.2. The answer is choice (B).
