Suppose A and B are 3 x 5 matrices. Which of the following are the dimensions of the matrix A + B? a. 3 x 5 b. 8x8 C. 15 x 15 d. 81

asked Jun 9, 2021 101k views

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Suppose A and B are 3 x 5 matrices. Which of the following are the dimensions of the matrix A + B?

a. 3 x 5
b. 8x8
C. 15 x 15
d. 81

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1 vote

3 x 5 should be right!

Bowditch answered Jun 12, 2021

5.2k points

3 votes

Answer:

a. 3 x 5

Explanation:

When we add matrices, they stay the same size

A and B are 3 x 5 matrices so A+B is 3 x 5 matrix

Homer Xing answered Jun 15, 2021

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