1. b) a=2 2. b) x=-0.861 c) reflection in y-axis 3. a) 3x^-1/2 - 1 b) y=6 c) y + 2x = 13 d) k = 5.5 4. b) d = -2, a = 28 c) Sum to 21 - sum to 3. Can't remember exact. 5. b) area = 19.9 c) perimeter = 13.8 (something like that) 6. a) 65.6 b) i) translation (0,5) ii) stretch in X-direction 1/3 sf 7. b) -1648 8. b) can't remember! Tan(X) = 1 and tan(X) =-5/4 c) lowest = 2, when theta = pi 9. a) c^(m/2 +6n) b) X = 5/2