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s344n2d4d5 [400]
3 years ago
12

Let u = <-8, -9>. Find 7u. (2 points)

Mathematics
1 answer:
ANEK [815]3 years ago
4 0

Multiplying a vector by a scalar means to multiply each coordinate of the vector by said scalar.

So, we must multiply both entries by 7:

u=(-8, -9)\implies 7u=(-8\cdot 7, -9\cdot 7) = (-56, -63)

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