The vectors (5,4) and (-7,k) are perpendicular find k

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asked Jul 18, 2024 204k views

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Joe Frank · Answer 1 · 2024-07-24T22:21:17+0000

Vectors are perpendicular (you may also see the term “orthogonal”) if the dot product of the vectors is 0. So we need to find a value of k that makes the dot product 0. This would be k = 35/4. I’ve shown my work below

The vectors (5,4) and (-7,k) are perpendicular find k-example-1

The vectors (5,4) and (-7,k) are perpendicular find k

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