5 Questions
Which one of these is the correct definition of a diagonal matrix?
A matrix with elements that are all zeros except for the elements on the main diagonal
Which one of these is the correct formula for finding the product of two matrices, A and B?
AB = A * B
Which one of these is the correct formula for finding the determinant of a 2x2 matrix?
det(A) = a11 * a22 - a12 * a21
Which one of these is the correct formula for finding the adjoint of a matrix?
adj(A) = cofactor(A)
Which one of these is the correct formula for finding the additive inverse of a matrix A?
-A
Test your knowledge of 9th grade mathematics with this division-wise quiz. Circle the correct option for various questions including matrix types, product and adjoint, identity matrix, and more. Put your math skills to the test and see how well you perform on this comprehensive test.
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