Multiple choice

Consider the following matrix $$A = \left[\begin{array}{cc}2 & 3\\ x & y \end{array}\right]$$ If the eigenvalues of A are 4 and 8, then

  1. x = 4, y = 10

  2. x = 5, y = 8

  3. x = −3, y = 9

  4. x = −4, y = 10
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

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