Evaluate the dot product of (5,7) and (-8,2)

asked Nov 22, 2019 189k views

4 votes

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6 votes

Answer:

-26

Explanation:

Mirko Adari answered Nov 23, 2019

6.0k points

4 votes

recall the dot-product is just <a,b> • <c,d> => a*c + b*d.

therefore here is just 5*(-8) + 7* 2, or namely -26.

Nielsj answered Nov 28, 2019

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