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Use the graph to answer the question.The vector u is graphed. Which of the vectors below would be orthogonal to vector u?

Use The Graph To Answer The QuestionThe Vector U Is Graphed Which Of The Vectors Below Would Be Orthogonal To Vector U class=

Sagot :

We can find the orthogonal vector when we use the dot product.

Then, the result must be equal to zero.

The vector u is given by coordinates <-7,-4>

Then, we need to find a vector in which their dor product will be equal to zero:

<-7,-4>*<1/7,-1/4> =-7*1/7 +(-4)*-1/4 = -1+1 =0

Therefore, the orthogonal vector is <1/7,-1/4>

The correct answer is option B