sud21 wrote:Line L passes through point (1,4), and the product of its intercepts with axis-x and axis-y is negative. Which of the following point is on the line L?
A. (2,3)
B. (5,7)
C. (4,2)
D. (4,-1)
E. (5, -1)
Many slope questions can be solved -- easily and efficiently -- by drawing:
In order for the product of the x and y intercepts to be negative, line L must look like one of the two lines above.
The drawing shows that, of the points given in the answer choices, only (5,7) could be on one of the two lines.
The correct answer is
B.
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