Question

Evaluate the dot product of (-1,2) and (3,3).

Answer 1

For this case we have the following vectors:

$(-1,2)\\(3,3)$

We must find the dot product of both vectors.

We have then:

$(-1,2) (3,3) = (-1) (3) + (2) (3)$

Rewriting we have:

$(-1,2) (3,3) = -3 + 6\\(-1,2) (3,3) = 3$

Answer:

The point product of both vectors is given by:

$(-1,2) (3,3) = 3$

Answer 2

The solution to the problem is as follows:

(-1,2) dot (3,3) = -1*3+2*3 = -3+6 = 3

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