IXL - Add and subtract scalar multiples of matrices (Algebra 2 practice)

Fill in the missing number.

^–9

^–5

−

^–9

^–3

^–72

^–42

ref_doc_title.

Learn with an example

Fill in the missing number.

6	0
4	2

9	^–9
0	3

63	^–9
36

To multiply a matrix by a number, multiply each element of the matrix by the number. To add two matrices, add the corresponding elements.

The blank is in row 2 and column 2. Locate the corresponding elements in the given matrices.

6	0
4	2

9	^–9
0	3

63	^–9
36	?

6	0
4	2

9	^–9
0	3

63	^–9
36	21

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Now entering the Challenge Zone—are you ready?

hr	min	sec
00	00	06

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