2 marksInverse of a 2x2 Matrix

CSEC Mathematics · January 2005 · Paper 2 · Question 14(a)(i)

Find the inverse of the matrix M = [[2, 1], [-1, 3]].

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14(a)(ii)Calculate the values of x and y for which M * [[x], [y]] = [[12], [1]].[4 marks]
14(b)(i)Determine the values of p, q, r and s.[6 marks]
14(b)(ii)Calculate the coordinates of the point C' which is the image of C (-2, 2) under T.[3 marks]

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