R = (–21 -5] 1x3
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S =
3x2
11. Answer each question about the properties of matrices
for multiplication. Explain your reasoning. Then, use the
given matrices to support your claim with an example or
counterexample. Use the matrices R, S, and T to answer each
question.
T= [ +3 i 4) 2x3
a. Describe the dimensions of matrices that can be multiplied.
Describe the dimensions of matrices that cannot be
multiplied. Explain your reasoning.
LESSON 1: Inside the Matrix • SUPP-79