Source: Veritas Prep
In the coordinate plane, line M travels through points (9, 10), (0, 4), and (-9, n). What is the value of n?
A. -10
B. -6
C. -10/3
D. -2
E. -4/3
The OA is D.
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In the coordinate plane, line M travels through points
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BTGmoderatorLU
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Brent@GMATPrepNow
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KEY CONCEPT: In a straight line with slope m, any segment of the line will have slope m.BTGmoderatorLU wrote:Source: Veritas Prep
In the coordinate plane, line M travels through points (9, 10), (0, 4), and (-9, n). What is the value of n?
A. -10
B. -6
C. -10/3
D. -2
E. -4/3
To get from point (9, 10) to point (0, 4), we start at (9, 10) and move 9 spaces to the left and 6 spaces down to get to (0, 4)
Let's keep going.
Starting at (0, 4), we can, once again, move 9 spaces to the left and 6 spaces down to get to (-9, -2)
Answer: D
Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
