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Matrices
Matrices

Matrices: Basic (Matrix) Instinct True or False

1.

For this matrix, the following is true: -> e11 = 2

2. For these equations, the following is true:

3x – 4y = 2

x + 2y = 5 ->

3. For this matrix, find the determinant:

-> 12

4. For these equations:

x + 2y = 6

3xy = 2

Which of these is equivalent: ->

5. What is the formula to find the determinant of a 2 × 2 matrix?

-> ad – cb

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