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Find Determinant Formula (2x2) (Level 1)

This math topic focuses on practicing the calculation of the determinant of 2x2 matrices. Learners are required to choose the correct determinant formula for various provided matrices. Each question presents a matrix along with multiple choices expressing different calculations. The objective is to identify the formula that correctly calculates the determinant based on the standard definition, which involves multiplying the elements of the main diagonal and subtracting the product of the elements of the other diagonal. This topic helps strengthen understanding of matrix operations, particularly determinants.

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Find Determinant Formula (2x2)

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Choose the correct formula for the determinant of this matrix

∣Y∣=a11⋅a22−a12⋅a21Y=[4816]\begin{vmatrix}Y\end{vmatrix} = a_{11} \cdot a_{22} - a_{12} \cdot a_{21} \\Y = \left[ {\begin{array} {cc} 4 & 8 \\ 1 & 6 \end{array} } \right]

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