IXL - Simplify matrix expressions (Precalculus practice)

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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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Learn with an example

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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.

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

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and

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have the same dimensions

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so you can add them.

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Add corresponding elements

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Add corresponding elements

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Looking for more? Try this:

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Now entering the Challenge Zone—are you ready?

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