IXL - Add and subtract matrices (Precalculus practice)

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and

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what is

If the matrix exists, select its size before entering your answer. If the matrix does not exist, select undefined.

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question

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and

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what is

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If the matrix exists, select its size before entering your answer. If the matrix does not exist, select undefined.

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key idea

To subtract two matrices with the same dimensions, subtract their corresponding elements. If two matrices have different dimensions, their difference is undefined.

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solution

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and

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have the same dimensions

(

so you can subtract them.

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Subtract corresponding elements

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Subtract corresponding elements

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Not feeling ready yet? These can help:

Q.1Matrix vocabulary

A.4Add and subtract integers

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