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a=-2, b=2, c=8, d=-8We know d=-8 from the y interception setting x=0 and y=-8For a, b and c we must construct 3 simultaneous equations from the given information x=-2, 1 and 21.) -8a+4b-2c=82.) a+b+c=83.)...

No. In terms of preparation, my best advice is read widely and be passionate. You can't fake passion and that combined with ability is what they look for. They are testing how you think rather than your k...

Example; Let vector v = (2,5,2) and vector u = (1,-2,3),then u · v = [(2 x 1) + (5 x -2) + (2 x 3)] = [2 -10 + 6] = -2 As the workings hopefully make clear in the line above, the general formula for the s...

My advice is to learn in both directions, for translation especially it is vital to have an active vocabulary rather than simply a passive one. Do whatever helps you, post its, reading, using the words in...

The subjunctive is used in several different cases, for instance, following the set phrase "bien que" or in expressions of wishing or doubt. The subjunctive is not a tense but a mood, so does no...