 In this video, we provide the solution to question number three for practice exam number three for math 1060 In which case we're given two vectors u equals i minus j and v equals 2i minus 3j And we're asked to compute the dot product between these all right So when it comes to computing the dot product between two vectors if we have their component forms that makes things a lot easier We're gonna multiply together their horizontal components. So we take one times two One was the horizontal component for u and two was the horizontal component for for v And then we add that to the product of their vertical components for you It's a negative one and for v. It's a negative three So we get one times two which is two negative one times negative three Which is equal to three in which case we get two plus three which is equal to five So the correct answer would then be d