1. [-/1 Points] DETAILS LARPCALC11 6.4.005. Find u . v. u = (8, 1) V = (-6, 3) U . V = Need Help? Read It 2. [-/1 Points] DETAILS LARPCALC11 6.4.006. Find u . v. u = (7, 12) V = (-3, 4) U . V = Need Help? Read It Watch It 3. [-/1 Points] DETAILS LARPCALC11 6.4.008. Find u . v. U = (-2, 6) V = (-2, -9)4. [-/2 Points] DETAILS LARPCALC11 6.4.012. Use the vectors u = (7, 4) and v = (-5, 7) to find the indicated quantity. 3u . v 3u . V = State whether the result is a vector or a scalar. The result is a ---Select--- O . Need Help? Read It Watch It 5. [-/2 Points] DETAILS LARPCALC11 6.4.013. Use the vectors u = (3, 3) and v = (-5, 1) to find the indicated quantity. (u . v)v (u . v)v = State whether the result is a vector or a scalar. The result is a ---Select--- O . Need Help? Read It6. [-/2 Points] DETAILS LARPCALC11 6.4.014.MI. Use the vectors u = (5, 5), v = (-6, 4), and w = (3, -1) to find the indicated quantity. (u . 2v)w (u . 2v)w = State whether the result is a vector or a scalar. The result is a ---Select--- O . Need Help? Read It Watch It Master It 7. [-/2 Points] DETAILS LARPCALC11 6.4.021. Use the vectors u = (6, 6), v = (-7, 5), and w = (6, -4) to find the indicated quantity. (u . v) - (u . w) ( u . v) - (u . w) = State whether the result is a vector or a scalar. The result is a ---Select--- O . Need Help? Read It8. [-/1 Points] DETAILS LARPCALC11 6.4.023. Use the dot product to find the magnitude of u. u = (-6, 8) Need Help? Read It 9. [-/1 Points] DETAILS LARPCALC11 6.4.024. Use the dot product to find the magnitude of u. u = (6, -5) Need Help? Read It Watch It 10. [-/1 Points] DETAILS LARPCALC11 6.4.030. Find the angle 0 (in radians) between the vectors. (Round your answer to two decimal places.) u = (6, 9) V = (8, 0) 9 = Need Help? Read It Watch It11. [I1 Points] I DETAILS l LARPCALC116.4.029. Find the angle 8 (in radians) between the vectors. (Round your answer to two decimal places.) u = (7, o) v = (0, 8) 9 = Need Help? 12. {-11 Points] DETAILS LARPCALC11 6.4.051. Determine whether u and v are orthogonal. u = (9, 12) v = (1, 8) orthogonal not orthogonal Need Hem? _' _' 13. {-11 Points] DETAILS LARPCALC11 6.4.052. Determine whether u and v are orthogonal. u = (4s, 12) V = l -2 3' 4 orthogonal not orthogonal