Matrix Multiplication Quiz

What is the result of multiplying the following 2x2 matrices? [1, 2] [3, 4] and [5, 6] [7, 8]

• [3, 4][1, 2]

• [10, 12][21, 24]

• [8, 10][12, 14]

• [19, 22][43, 50]

Tags

CCSS.HSN.VM.C.8

What is the result of multiplying the following 3x3 matrices? [1, 2, 3] [4, 5, 6] [7, 8, 9] and [9, 8, 7] [6, 5, 4] [3, 2, 1]

• [1, 2, 3] [4, 5, 6] [7, 8, 9] [9, 8, 7] [6, 5, 4] [3, 2, 1]

• [9, 8, 7] [6, 5, 4] [3, 2, 1]

• [30, 24, 18] [84, 69, 54] [138, 114, 90] [1, 2, 3] [4, 5, 6] [7, 8, 9]

• [30, 24, 18] [84, 69, 54] [138, 114, 90]

Tags

CCSS.HSN.VM.C.8

What is the result of multiplying the following 4x4 matrices? [1, 2, 3, 4] [5, 6, 7, 8] [9, 10, 11, 12] [13, 14, 15, 16] and [16, 15, 14, 13] [12, 11, 10, 9] [8, 7, 6, 5] [4, 3, 2, 1]

• [[80, 70, 60, 50], [240, 214, 188, 162], [400, 358, 316, 274], [560, 502, 444, 386]]

• [[80, 70, 60, 50], [240, 214, 188, 162], [400, 358, 316, 274], [560, 502, 444, 386]] is the result of adding the matrices.

• [[80, 70, 60, 50], [240, 214, 188, 162], [400, 358, 316, 274], [560, 502, 444, 386]] is the result of subtracting the matrices.

• [[80, 70, 60, 50], [240, 214, 188, 162], [400, 358, 316, 274], [560, 502, 444, 386]] is the result of dividing the matrices.

Tags

CCSS.HSN.VM.C.8

What is the result of multiplying the following 2x2 matrices? [2, 3] [4, 5] and [6, 7] [8, 9]

• [36, 41][56, 63]

• [10, 12][14, 16]

• [20, 21][28, 31]

• [8, 10][12, 15]

Tags

CCSS.HSN.VM.C.8

What is the result of multiplying the following 3x3 matrices? [2, 3, 4] [5, 6, 7] [8, 9, 10] and [10, 11, 12] [13, 14, 15] [16, 17, 18]

• [110, 119, 128] [158, 170, 182] [206, 221, 236] [20, 21, 22] [23, 24, 25] [26, 27, 28]

• [110, 119, 128] [158, 170, 182] [206, 221, 236] [1, 2, 3] [4, 5, 6] [7, 8, 9]

• [110, 119, 128] [158, 170, 182] [206, 221, 236] [30, 31, 32] [33, 34, 35] [36, 37, 38]

• [110, 119, 128] [158, 170, 182] [206, 221, 236]

Tags

CCSS.HSN.VM.C.8

What is the result of multiplying the following 2x2 matrices? [3, 4] [5, 6] and [7, 8] [9, 10]

• [15, 16] [23, 26]

• [10, 12] [14, 16]

• [57, 64] [93, 104]

• [21, 24] [27, 30]

Tags

CCSS.HSN.VM.C.8

What is the result of multiplying the following 3x3 matrices? [3, 4, 5] [6, 7, 8] [9, 10, 11] and [11, 12, 13] [14, 15, 16] [17, 18, 19]

• [170, 180, 190] [248, 264, 280] [326, 348, 370]

• [170, 180, 190] [248, 264, 280] [326, 348, 370] [0, 0, 0] [1, 1, 1] [100, 200, 300]

Tags

CCSS.HSN.VM.C.8

What is the result of multiplying the following 4x4 matrices? [3, 4, 5, 6] [7, 8, 9, 10] [11, 12, 13, 14] [15, 16, 17, 18] and [18, 17, 16, 15] [14, 13, 12, 11] [10, 9, 8, 7] [6, 5, 4, 3]

• [[220, 210, 200, 200], [532, 514, 496, 496], [844, 818, 792, 792], [1156, 1122, 1088, 1088]]

• [[220, 210, 200, 170], [532, 514, 496, 438], [844, 818, 792, 706], [1156, 1122, 1088, 922]]

• [[220, 210, 200, 190], [532, 514, 496, 478], [844, 818, 792, 766], [1156, 1122, 1088, 1054]]

• [[220, 210, 200, 180], [532, 514, 496, 458], [844, 818, 792, 726], [1156, 1122, 1088, 994]]

Tags

CCSS.HSN.VM.C.8

What is the result of multiplying the following 2x2 matrices? [4, 5] [6, 7] and [8, 9] [10, 11]

• [32, 35][46, 49]

• [20, 23][26, 29]

• [12, 14][16, 18]

• [80, 89][116, 129]

Tags

CCSS.HSN.VM.C.8

What is the result of multiplying the following 3x3 matrices? [4, 5, 6] [7, 8, 9] [10, 11, 12] and [12, 13, 14] [15, 16, 17] [18, 19, 20]

• [405, 436, 467], [558, 601, 644], [711, 766, 821]

• [405, 436, 467], [558, 601, 644], [711, 766, 822]

• [405, 436, 467], [558, 601, 644], [711, 766, 820]

• [405, 436, 467], [558, 601, 644], [711, 766, 821]

Tags

CCSS.HSN.VM.C.8