3 6 0 11 3 6 05 1 2 3

5 1 2 1 2

Find the Inverse if it exists9 92 2

𝐸𝑣𝑎𝑢𝑎𝑡𝑒|2 1 40 0 53 −3 2|

the equation1 9 351 0 8

Solve

X

42 6

20X

6 𝑥− 𝑦=11−2 𝑥−3 𝑦=−7

5 2 2 6 5 64 2 0 1 3 3

the equation1 1 4

5 2 26

Solve

X

𝑇𝑤𝑜 𝑙𝑎𝑐𝑟𝑜𝑠𝑠𝑒 𝑡𝑒𝑎𝑚𝑠 𝑠𝑢𝑏𝑚𝑖𝑡 𝑒𝑞𝑢𝑖𝑝𝑚𝑒𝑛𝑡 𝑙𝑖𝑠𝑡𝑠 𝑡𝑜 𝑡ℎ𝑒𝑖𝑟 𝑠𝑝𝑜𝑛𝑠𝑜𝑟𝑠.

𝑊𝑜𝑚𝑒𝑛′𝑠 𝑡𝑒𝑎𝑚:5 , 15 , 16 𝑠𝑡𝑖𝑐𝑘𝑠 𝑏𝑎𝑙𝑙𝑠 𝑎𝑛𝑑. Men’s team: 8 sticks, 22 balls, and 17 𝑢𝑛𝑖𝑓𝑜𝑟𝑚𝑠

uniforms.Each stick costs $55, balls cost $6 cost and each uniform costs $35. Use matrix multiplication to find the total cost of the equipment for each team.

Find the area of the triangle with the following vertices. A.(2,4) B. (3,0) C.(0,1)

5 6 1 2 6 1 6 6 4

What are the vertex Coordinates?

10 5 24 72

7 11 19 5Y

6 24 10

27 715 9

X

What is the identity Matrix for an 3X3 matrix?

𝐸𝑣𝑎𝑙𝑢𝑎𝑡𝑒|3 −72 −5|

|4 2 1|∙|−45 |

the equation2 3 15 5 20

Solve

X

Find the area of the triangle with the following vertices. A.(1,5) B. (4,3) C.(2,0)

the equation4 2 67 2 12

Solve

X

Find the Inverse if it exists2 16 1

Three teams participated in a debating competition. The final score for each team is based on how many students ranked first, second, and third in a debate. The results of 12 debates are shown in matrix A. Find the total number of points that each team won.

Matrix A Matrix B 1st 2nd 3rd

Find the Inverse if it exists4 59 6

−𝑥−5 𝑦−5 𝑧=24 𝑥−5 𝑦+4 𝑧=19𝑥+5 𝑦−𝑧=−20

Find the Inverse if it exists0 21 9

[ 2 −1−6 1 ]∙ [ 4 4

−3 −5]

𝐸𝑣𝑎𝑙𝑢𝑎𝑡𝑒|−3 4 −11 −1 −12 1 2 |

[ 3 1 4 ]+[−5 0 14 3 2]