[4 pts] Suppose you know that A is a 4x4 matrix with rank 4. Define a matrix transformation T: R¹ R¹ by T(x) = Ax. Which of the following statements must be true? (Check all that apply.) A is invertible. The nullity of A is 0. 0 is not an eigenvalue of A. A is diagonalizable.

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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[4 pts] Suppose you know that A is a 4x4 matrix with rank 4. Define a matrix transformation
T: Rª → R¹ by T(x) = Ax. Which of the following statements must be true? (Check all
that apply.)
A is invertible.
The nullity of A is 0.
0 is not an eigenvalue of A.
A is diagonalizable.
Transcribed Image Text:[4 pts] Suppose you know that A is a 4x4 matrix with rank 4. Define a matrix transformation T: Rª → R¹ by T(x) = Ax. Which of the following statements must be true? (Check all that apply.) A is invertible. The nullity of A is 0. 0 is not an eigenvalue of A. A is diagonalizable.
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