Let M=xxxx:x∈R-(0) and let * be the matrix multiplication. Determine whether Mis closed under *. If so, examine the commutative and associative properties satisfied by * on M.

Let M= $\{(\begin{matrix} x & x \\ x & x \end{matrix}) : x \in R - (0)\}$ and let * be the matrix multiplication. Determine whether Mis closed under . If so, examine the commutative and associative properties satisfied by on M.

Mixed-up sentence exercise

Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.