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Precalc Honors 0.6 Homework
By Stephanie Perkins
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Last updated about 1 month ago
5 questions
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Question 1
1.
1
What number in this matrix would be identified by
a_{23}
in the matrix
A= \begin{bmatrix} -7 & 0 & 1 \\ 7 & 8 &6 \end{bmatrix}
Question 2
2.
What are the dimensions of matrix B=\begin{bmatrix} 7 & 8 & 9 & 12 \\ 8 & 4 & 0 & -3 \\ -4 & 5 & 6 & 1 \end{bmatrix}
Let W=\begin{bmatrix} 13 & -6 \\ 2 & -10 \\-4 & 8 \end{bmatrix}
X=\begin{bmatrix} 1 & -3 \\ -5 & 9 \\ 12 & 7 \end{bmatrix}
Y=\begin{bmatrix} 5 & -2 & 1 \\ -6 & 14 & 8 \end{bmatrix}
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Question 3a
3a.
If M =2 W, what numbers make up the first row? Separate with a comma.
Question 3b
3b.
What number is the third row, second column, for X-Y?
Question 3c
3c.
Solve for matrix A:
4A+W=X
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