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Matrix concepts

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

(a)

$\begin{bmatrix} 0.98 & 0.12\\ 0.41 & 0.40\\\end{bmatrix}$

(b)

$\begin{bmatrix} 0.10 & 0.26\\ 0.19 & 0.15\\\end{bmatrix}$

(c)

$\begin{bmatrix} 0.83 & 0.52 & 0.38\\ 0.96 & 0.51 & 0.29\\ 0.83 & 0.59 & 0.88\\\end{bmatrix}$

(d)

$\begin{bmatrix} 0.12 & 0.18 & 0.73 & 0.94\\ 0.24 & 0.63 & 0.74 & 0.45\\ 0.34 & 0.99 & 0.10 & 0.68\\ 0.54 & 0.80 & 0.14 & 0.18\\\end{bmatrix}$

(e)

$\begin{bmatrix} 0.94 & 0.51 & 0.91 & 0.81\\ 0.94 & 0.19 & 0.63 & 0.21\\ 0.87 & 0.95 & 0.36 & 0.90\\ 0.76 & 0.75 & 0.36 & 0.21\\\end{bmatrix}$

(f)

$\begin{bmatrix} 0.09 & 0.65 & 0.47\\ 0.81 & 0.94 & 0.09\\ 0.73 & 0.07 & 0.48\\\end{bmatrix}$

Select all possible options that apply.

Correct answer

(c) $\begin{bmatrix} 0.83 & 0.52 & 0.38\\ 0.96 & 0.51 & 0.29\\ 0.83 & 0.59 & 0.88\\\end{bmatrix}$
(f) $\begin{bmatrix} 0.09 & 0.65 & 0.47\\ 0.81 & 0.94 & 0.09\\ 0.73 & 0.07 & 0.48\\\end{bmatrix}$

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QID:

demo/randomCheckbox

Title:

Matrix concepts

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Started at:

2026-09-19 06:11:38 (CDT)

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

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