4 marksMatrix Problem Solving
CSEC Mathematics · January 2015 · Paper 2 · Question 11(a)(ii)
Use a matrix method to solve for x and y.
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Practise this questionOther parts of this question
- 11(a)(i)Write the following simultaneous equations 3x + 2y = -1 and 5x + 4y = 6 in the form AX = B, where A, X and B are matrices.[2 marks]
- 11(b)(i)Write as a column vector in the form (x y): OR[1 mark]
- 11(b)(ii)Write as a column vector in the form (x y): OS[1 mark]
- 11(b)(iii)Write as a column vector in the form (x y): SR[2 marks]
- 11(b)(iv)Find |OS|.[1 mark]
- 11(b)(v)Given that OT = (2 5), prove that OSTR is a parallelogram.[4 marks]
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