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Matrix concepts

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

(a)

$\begin{bmatrix} 0.93 & 0.68\\ 0.83 & 0.60\\\end{bmatrix}$

(b)

$\begin{bmatrix} 0.94 & 0.59 & 0.47\\ 0.90 & 0.99 & 0.60\\ 0.43 & 0.88 & 0.40\\\end{bmatrix}$

(c)

$\begin{bmatrix} 0.40 & 0.78 & 0.67 & 0.18\\ 0.40 & 0.05 & 0.68 & 0.07\\ 0.62 & 0.23 & 0.17 & 0.71\\ 0.94 & 0.43 & 0.98 & 0.26\\\end{bmatrix}$

(d)

$\begin{bmatrix} 0.70 & 0.67 & 0.11\\ 0.45 & 0.83 & 0.99\\ 0.02 & 0.58 & 0.13\\\end{bmatrix}$

(e)

$\begin{bmatrix} 0.03 & 0.95 & 0.43 & 0.96\\ 0.52 & 0.87 & 0.91 & 0.38\\ 0.53 & 0.03 & 0.02 & 0.62\\ 0.15 & 0.86 & 0.67 & 0.11\\\end{bmatrix}$

(f)

$\begin{bmatrix} 0.32 & 0.73 & 0.98 & 0.66\\ 0.60 & 0.44 & 0.06 & 0.09\\ 0.30 & 0.01 & 0.97 & 0.29\\ 0.76 & 0.61 & 0.97 & 0.90\\\end{bmatrix}$

Select all possible options that apply.

Correct answer

(b) $\begin{bmatrix} 0.94 & 0.59 & 0.47\\ 0.90 & 0.99 & 0.60\\ 0.43 & 0.88 & 0.40\\\end{bmatrix}$
(d) $\begin{bmatrix} 0.70 & 0.67 & 0.11\\ 0.45 & 0.83 & 0.99\\ 0.02 & 0.58 & 0.13\\\end{bmatrix}$

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demo/randomCheckbox

Title:

Matrix concepts

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Started at:

2026-09-19 11:11:45 (CDT)

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

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