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Mathematics 7 Online
OpenStudy (anonymous):

Line EF passes through the points (0, 1) and (3,3). Line JK passes through the points (8, 2) and (6, 5). These lines are A) skew. B) parallel. C) concurrent. D) perpendicular.

OpenStudy (mathsolver):

Find the gradients of both and you tell me ;)

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