### All ACT Math Resources

## Example Questions

### Example Question #3 : Matrices

Simplify:

**Possible Answers:**

**Correct answer:**

Explanation:

Matrix addition is very easy! All that you need to do is add each correlative member to each other. Think of it like this:

Now, just simplify:

There is your answer!

### Example Question #4 : Matrices

Simplify:

**Possible Answers:**

**Correct answer:**

Explanation:

Matrix addition is really easy—don't overthink it! All you need to do is combine the two matrices in a one-to-one manner for each index:

Then, just simplify all of those simple additions and subtractions:

### Example Question #21 : Matrices

What is the value of

?

**Possible Answers:**

You cannot add these two matrices because their indices do not line up.

**Correct answer:**

Explanation:

To add matrices you simply add the numbers in the same position as each other.

Plugging the given values into the above formula, we are able to solve the question.

### All ACT Math Resources

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