Question

(Need Help!)

Line FG contains points F (3, 7) and G (−4, −5). Line HI contains points H (−1, 0) and I (4, 6). Lines FG and HI are
parallel
perpendicular
neither

Answer 1

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Answer 2

Which answer do you think is right?

Answer 3

find slopes of the lines.....if the slopes are equal it means lines are parallel.
if the product of slopes is -1 ..it means lines are perpendicular