Zero, Identity and Inverse Matrices HSN.VM.C.10 Practice Question Lumos StepUp ACT Practice Program - Mathematics

Lumos StepUp ACT Practice Program - Mathematics Zero, Identity and Inverse Matrices

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\(\text{Find the determinant of this matrix }\left[\begin{array}{cc} {7} & {-5} \\ {8} & {12} \end{array}\right]\)

\(\text{Does the matrix have a multiplicative inverse matrix? Why or why not}?\)