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Matrix concepts

Select the matrices below with dimensions $3\times3$:

(a)

$\begin{bmatrix} 0.83 & 0.34 & 0.08 & 0.29\\ 0.93 & 0.17 & 0.33 & 0.31\\ 0.01 & 0.28 & 0.03 & 0.88\\ 0.71 & 0.73 & 0.73 & 0.18\\\end{bmatrix}$

(b)

$\begin{bmatrix} 0.11 & 0.78\\ 0.86 & 0.23\\\end{bmatrix}$

(c)

$\begin{bmatrix} 0.37 & 0.17\\ 0.38 & 0.61\\\end{bmatrix}$

(d)

$\begin{bmatrix} 0.10 & 0.34 & 0.68\\ 0.87 & 0.13 & 0.07\\ 0.98 & 0.73 & 0.95\\\end{bmatrix}$

(e)

$\begin{bmatrix} 0.51 & 0.15 & 0.39\\ 0.19 & 0.14 & 0.79\\ 0.16 & 0.55 & 0.14\\\end{bmatrix}$

(f)

$\begin{bmatrix} 0.05 & 0.18\\ 0.24 & 0.65\\\end{bmatrix}$

Select all possible options that apply.

Correct answer

(d) $\begin{bmatrix} 0.10 & 0.34 & 0.68\\ 0.87 & 0.13 & 0.07\\ 0.98 & 0.73 & 0.95\\\end{bmatrix}$
(e) $\begin{bmatrix} 0.51 & 0.15 & 0.39\\ 0.19 & 0.14 & 0.79\\ 0.16 & 0.55 & 0.14\\\end{bmatrix}$

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QID:

demo/randomCheckbox

Title:

Matrix concepts

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Started at:

2026-08-04 22:47:19 (CDT)

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  "students": [
    {
      "key": "d",
      "html": "\n    $<pl-matrix-latex params-name=\"N1\"></pl-matrix-latex>$\n  ",
      "feedback": null
    },
    {
      "key": "e",
      "html": "\n    $<pl-matrix-latex params-name=\"N2\"></pl-matrix-latex>$\n  ",
      "feedback": null
    }
  ]
}

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