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Westkost [7]
3 years ago
10

Determines whether the line through the points

Mathematics
1 answer:
kotegsom [21]3 years ago
5 0
Find their gradients using the change in y coords divided by the change in x coords. once you have the gradients (or slopes), multiply them by eachother - if the product is (-1) then theyre perpdendicular, if not, they are either parallel or intersect at a point
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