Question

Determine whether u and v are orthogonal.

u=(2, 12)
v = (-4, 5)
O orthogonal
O not orthogonal
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Answer 1

Answer: not orthogonal

Step-by-step explanation:

Apply the dot product.

u dot v = 2*(-4) + 12*5

u dot v = -8 + 60

u dot v = 52

The dot product result is not zero, so the vectors are not orthogonal. The angle between the vectors is not 90 degrees.