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{
"url": "https://numbas.mathcentre.ac.uk/api/questions/229/?format=api",
"name": "Solve a pair of linear equations using a matrix",
"published": true,
"project": "https://numbas.mathcentre.ac.uk/api/projects/3/?format=api",
"author": {
"url": "https://numbas.mathcentre.ac.uk/api/users/6/?format=api",
"profile": "https://numbas.mathcentre.ac.uk/accounts/profile/6/?format=api",
"full_name": "Bill Foster",
"pk": 6,
"avatar": null
},
"edit": "https://numbas.mathcentre.ac.uk/question/229/solve-a-pair-of-linear-equations-using-a-matrix/?format=api",
"preview": "https://numbas.mathcentre.ac.uk/question/229/solve-a-pair-of-linear-equations-using-a-matrix/preview/?format=api",
"download": "https://numbas.mathcentre.ac.uk/question/229/solve-a-pair-of-linear-equations-using-a-matrix.zip?format=api",
"source": "https://numbas.mathcentre.ac.uk/question/229/solve-a-pair-of-linear-equations-using-a-matrix.exam?format=api",
"metadata": {
"notes": "\n \t\t \t\t<p><strong>20/06/2012:</strong></p>\n \t\t \t\t<p>Added, edited tags.</p>\n \t\t \t\t<p>Edited advice so that it gave the correct solution for $y$ (as in the answer).</p>\n \t\t \t\t<p> </p>\n \t\t \t\t<p> </p>\n \t\t \t\t<p><strong>4/07/2012:<br /></strong></p>\n \t\t \t\t<p>Column vectors v and b have the bracket in the incorrect place.</p>\n \t\t \t\t<p> </p>\n \t\t \t\t<p><strong>10/07/2012:<br /></strong></p>\n \t\t \t\t<p>Added tags.<strong><br /></strong></p>\n \t\t \t\t<p>Question appears to be working correctly.</p>\n \t\t \t\t<p>Column vectors v and b still have brackets in incorrect places.</p>\n \t\t \n \t\t",
"description": "<p>Putting a pair of linear equations into matrix notation and then solving by finding the inverse of the coefficient matrix. </p>",
"licence": "Creative Commons Attribution 4.0 International"
},
"status": "ok",
"resources": []
}