University:
Fresno Pacific University
Course:
MATH 210 | Calculus I
Academic year:

2021
Views:

390

Pages:

2
Author:

gaarmaakbn9h

Infinite Algebra 2 Name: Key Date: Period: Matrix Multiplication Simplify. Write "undefined" for expressions that are undefined. 1) [0 2] * [6 -6] [-2 -5] [3 0] [6 0] [-27 12] 2) [6] * [-5 4] [-3] [-30 24] [15 -12] 3) [-5 -2] * [-3] [ 1 -3] [ 5] [-5 -10] [ 8 13] 4) [-3 5] * [6 -2] [-2 1] [1 -5] [-13 -19] [-11 -1] 5) [0 5] * [4 4] [1 -3] [-2 -4] [-10 -20] [18 -24] 6) [5 3 5] * [2] [1 5 0] [4] [3 -5] [14] [-19] [22] 7) [5] * [3 -1] [6] [0 -3] [15 -5] [18 -18] [0 0] 8) [3 2 5] * [4 -5] [2 3 1] [5 -1 6] Undefined 9) [9 -3 -1] * [1 6] [-3 6 -5] [5 4] [-6 14 0] [4 3] [-8 14] [33 60] [-24 -60] 10) [5 4] * [-4] [2 -1] [ 3] [-8] [-11] 11) [-1 -1 -1] * [6 5] [ 5 2 -5] [5 -6] [ 6 -5 1] [6 0] [-7 -11] [10 13] [17 60] [0 -61] 12) [-2 -6] * [2 2] [ 4 3] [0 -5] [ 5 0] [8 4] [-14 -10] [10 -8] [20 -26] 13) [-2 5u] * [-5u -6] [10u -32v] 14) [-4x -2y] * [0] [16x² - 2y²] [5y] [8x² - 8y] [2y] **Critical Thinking Questions:** 15. Write an example of a matrix multiplication that is undefined. Many answers. Ex: [1 2] * [1 2] [3 4] [3 4] [5 6] 16. In the expression A · B, if A is a 3 x 5 matrix, then what could be the dimensions of B? 5 x Anything

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