Precalculus 2023 Kuta Software Name LLC. All rights reserved. Section 6-4 Classwork Date Period Find the dot product of the given vectors. 1) u = (4, 2) v = (7,9) 3) u = (-3,-2) v = (9, 0) 2) u = (-7,-9) v = (-1, 6) 4) u = (7, -8) v = (-9, -1) State if the two vectors are parallel, orthogonal, or neither. 5) u = (5, 1) v = (15,3) 7) u = (0, -7) V= y = (21, 0) 6) u = (-4,-5) v = (-12, -15) 8) u = (-9, 1) V Inim 15 Find the measure of the angle between the two vectors. 9) u = (-4, 9) v = (-4, -7) 11) u=(-8,-3) v = (5,-3) 10) u=(1, 0) v = (0,9) 12) u = (7,7) v = (4,9) with Infinite Pre calcul