10
QuizMultiple Choice

Matrices and Their Inverses

Question 10 of 9 • Precalculus

Given matrices S and T below, which statement is true?

Question illustration
Answer
A
Matrices S and T are not inverses of each other because S+T I.
Option A
B
Matrices S and T are inverses of each other because ST = TS = I.
C
Matrices S and T are inverses of each other because the determinant of S is 1.
D
Matrices S and T are not inverses of each other because the determinant of S equals the determinant of T.