Let A = {h,1,o}, B = {7,8), C = {7}. AXBXC = { CXBXA = { BXBXB={

If a = (2, -1, 9) and b = (8, 2, 1), find the following. axb= bxa=

(c) Find the rotation matrix of a linear transformation T: R² R², which first rotates points 3 clockwise and then reflects points through the z-axis. -

5x'e- dr O.r e

If a = (2, -1, 3) and b = (2, 2, 1), find the following. a x b = b x a =

Match each set of points that form a triangle in standard position with the points that form a congruent triangle. A: (0, 0), B: (6, 8), C. (6, 4) A: (0, 0), B: (0, 4), C. (1, 0) A: (0, 0), B: (-4, 0), C: (0, 1) A: (-7, -2), B: (-1, 6), C: ( -1, 2)

Ifp =1-2+ q= 27-+and 7 =}- 2, determine each of the -following: a. x 4 C.

2x be-17eX+12-o

Then where all = 1 a31 = a12 = * a32 = A = A-¹ = 1 ,a13 = 1 8 1 1 all a21 a31 a33 = 0 8 6 -8 2 a12 a13 a22 a23 a32 a33 a21 = ,a22 = a23 ||

12vEcis (쯤) + 3vScis (주) = cis(