Question

Question 1 Given the size of matrix \( A=5 \times 2 \), which of the following sizes for matrix \( B \) work so that \( A \times B \) is possible? \( 2 \times 1 \) \( 1 \times 5 \) \( 5 \times 1 \) \( 1 \times 2 \)

          Question 1

Given the size of matrix \( A=5 \times 2 \), which of the following sizes for matrix \( B \) work so that \( A \times B \) is possible?
\( 2 \times 1 \)
\( 1 \times 5 \)
\( 5 \times 1 \)
\( 1 \times 2 \)

Question 1

Given the size of matrix A=5 × 2, which of the following sizes for matrix B work so that A × B is possible?
2 × 1
1 × 5
5 × 1
1 × 2

Added by Margaret P.

Precalculus Functions and Graphs

Mark Dugopolski 4th Edition

Chapter 9

Instant Answer

Solved by Expert Donya Dobbin

Step 1

For two matrices \( A \) and \( B \) to be multiplied (i.e., \( A \times B \)), the number of columns in \( A \) must equal the number of rows in \( B \). Show more…

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Question 1 Given the size of matrix \( A=5 \times 2 \), which of the following sizes for matrix \( B \) work so that \( A \times B \) is possible? \( 2 \times 1 \) \( 1 \times 5 \) \( 5 \times 1 \) \( 1 \times 2 \)