4 years ago

(I will give Brainliest/5 stars to correct answer)

2 answers:

5 0

To find the dot product you multiply the corresponding coordinates and then add up the products

a dot b = dot product between the vectors 'a' and 'b'
a dot b = 7*4 + (-4)*3
a dot b = 28 - 12
a dot b = 16

Answer: Choice B) 16

Marina86 [1]4 years ago

4 0

A•b = 7*4 +(-4)*3
= 28 -12
= 16 . . . . . matches selection B

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