From GMATPrep
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In the xy-coordinate plane, line l and line k intersect at the point (4,3). Is the product of their slopes negative?
(1) The product of the x-intercepts of lines l and k is positive.
(2) The product of the y-intercepts of lines l and k is negative.
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In the xy-coordinate plane, line l and line k intersect at the point (4,3). Is the product of their slopes negative?
(1) The product of the x-intercepts of lines l and k is positive.
(2) The product of the y-intercepts of lines l and k is negative.
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