Algebra 2 X unit 3: linear systems of equations



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9. Is it possible to multiply the following two matrices together? Explain your answer.
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10. Find if A=

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  1. Use the system below to answer the next problems.


11. Write a matrix equation AX=B.

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12. Find . Show your work.
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13. Solve the system for x and y. Write your solution as an ordered pair.



14. Use any method on your calculator to solve the system below. Identify the method used—determinants, inverses or rref.

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