Search results

  1. M

    Share your 2014 HSC results here

    Chem: 84 Eng Ad: 94 Math 2U: 96 Math 3U: 90 PDHPE: 98 Physics: 89 SOR I: 90 Pretty happy overall.
  2. M

    Sequences And Series Question

    The series T4 + T6 + T8 = -6 is: a + (a+d) + (a+2d) = -6 So 3a + 3d = -6 Divide by 3: a+d = -2 and since a+d = T6, T6 = -2
Top