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State the dimensions of the matrix. 2 x 4 2 x 3 [ 2 2 -1 11 3 6 10 9 -1 0 4 8 3 x 4 3 x 3 ] a23 A= [ -5 0 -3 7 -1 2 5 0 9 9 6 -1 8 -5 0 -9 Identify the indicated element a41 ] a11 [ -8 -5 -4 4 Find the sum. -6, -4 ] 5,8 + [ 2 0 2 1 ] = [ 2, -6 3, 4 -2 4 ] 7 -1 0 5 3 1 1 4 0 2 5 4 1 Simplify the second row. = [ Can the following matrices be multiplied together? 6 0 2 2 4 0 ] • no yes [ 1 1 1 4 2 8 9 6 7 ] w= 6 4f Find the values of the variables. -w2 3 k= = 2k 36 f= -25 3 F H = F = 4 9 2 3 Find the following. H= 1 1 1 1 4F + G = F = [ 6 9 2 3 ] Find the following. G = [ -3 6 2 0 ] In May, Bob bought 38 balls. In June, he sold 19. In May, Sam bought 44 balls. In June, he sold 21. Write a matrix to show their May purchases and June sells. Bob Sam May June -3 = -5 Find the difference. [ 6 2 9 0 - -1 5 4 3 7 6 ] Find the determinant. 5 1 3 2 12 15 13 17 Find the determinant. -1 2 6 3 11 -12 0 12 x= 7 3 Find the value of the variables. -1 6 = y= y 3 -1 x 3 [ -3 6 7 -4 0 2 1 0 5 ] Find the product. = -4 -8 Find the difference. -5 4 -6, -4 5,8 - 2 2 0 1 -10, -6 2, -6 = -6 ____ ____ 4 Can you multiply a 5x3 matrix and a 3x3 matrix? Can you add a 4x2 matrix and a 4x3 matrix? (type yes or no in each box) If you multiply a 5x6 matrix and a 6x2 matrix, then the dimensions of the answer will be.... x |