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2.1 (1 mark) Find the Cartesian inequation for the region represented by 1 747-2ils -1x-8+5il Please put your answer in a "natural" form. Note. The inequality sign s is entered as the pair of consecutive symbols: - (i.e. > ) in terms of s (and sometimes it does this in a quite inelegant way!) Answer: You have not attempted this yet 2.2 (1 mark) If you haven't already done so, complete the square for the terms in x and complete the square for the terms in y, and hence deduce that the locus of points satisfied by the relation is associated with a circle. What is the centre of that circle? Enter your answer as a complex number in the form: x+yi for real numbers x, y. centre = You have not attempted this yet 2.3 (1 mark) What is the radius of the circle referred to in part 2? radius = You have not attempted this yet 2.4 (1 mark) The locus of points satisfied by the relation is which of the following? A O The entire region outside the circle. B O An open disc, namely the interior of the circle. C O A closed disc (i.c, the interior of the circle and its circular boundary). DO The circle only- EO The union of the circle and the region outside it. FO None of the above O I do not want to answer this yet You have not attempted this yet