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In the xy-coordinate plane, line L and line K intersect at

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In the xy-coordinate plane, line L and line K intersect at [#permalink] New post 23 Jun 2008, 12:59
In the xy-coordinate plane, line L and line K intersect at point (4,3), Is the product of their slopes negative?

(1). The product of the x-intercept of line L and K is positive
(2). The product of the y-intercept of line L and K is negative.

Please provide some explaination. Thanks
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Re: product of slopes positive? [#permalink] New post 23 Jun 2008, 13:17
alimad wrote:
In the xy-coordinate plane, line L and line K intersect at point (4,3), Is the product of their slopes negative?

(1). The product of the x-intercept of line L and K is positive
(2). The product of the y-intercept of line L and K is negative.

Please provide some explaination. Thanks


Answer is C.
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Re: product of slopes positive?   [#permalink] 23 Jun 2008, 13:17
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In the xy-coordinate plane, line L and line K intersect at

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