AS Maths Pure and Mechanics

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Across
  1. 2. Find the gradient of the line perpendicular to 28y + 2x = 5.
  2. 3. Find the reflex solution to the eqn. 2cos(x) + 8 = 9.5.
  3. 4. Find the area under the curve y=x3+3x2+7x and the lines x=1 and x=7.
  4. 6. Solve the equation 3x = 17
  5. 7. Find area of triangle ABC to 1dp given AB=13.7m, BC=12.3cm and CAB=34
  6. 10. A man of mass 85kg travels in a lift. If a=2m/s2, g=10m/s2. Find F
  7. 11. Find the radius of the circle with the eqn. x2+y2-5x+6x-22=99.
  8. 13. Given x>300 solve 4sin2x = 2 + cosx
Down
  1. 1. Find the magnitude of the vector -174i + 232j
  2. 2. Find the angle between the vector -12i + 13j and the vector i
  3. 3. Find 'n' given 2loga12 - loga3 + 4loga3 = logan.
  4. 4. Find the value of 'n' if (27^8 x 3^4) div 9^3 = 3^n.
  5. 5. Find the coefficient of 'x' when (4 + x)^5 is expanded.
  6. 7. The pop. of insects can be found using the formula 70e^0.8xt. t=6
  7. 8. Calculate the area bounded by x2-7x+10, the x axis, x=2 and x=5.
  8. 9. Find the x coordinate of the min. point on the graph y = x2-20x+7.
  9. 10. Find the coefficient of 'x2' when (3x+5)(2x+4)(4x+7)is expanded.
  10. 12. Find the value of dy/dx when x = 3 given y = x4+5x2