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miv72 [106K]
3 years ago
15

Let u = <-7, -2>. Find 4u.

Mathematics
2 answers:
Katena32 [7]3 years ago
8 0

Answer:

a. <-28, -8>

Step-by-step explanation:

The given vector is

u = <-7, -2>.

To find 4u, we multiply the given vector by the scalar 4.

4u =4 <-7, -2>.

4u =<-7\times4, -2\times4>.

We multiply out to get;

4u =<-28, -8>.

The correct choice is a. <-28, -8>

Semmy [17]3 years ago
5 0

The answer is <-28 or >8

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