What I got, did everyone else get the same?

1) a) i) 18.02 ii) 5.7% b) i) (5+4) x (2+3) ii) 5 + (4x(2+3)) ii) ((5+4)x2) + 3 2) a) i) 1/100 ii) 1/400 b) i) Brand A is cheaper at 1.60 p liter ii) 10.20 3) 6 on the outside, p n q = 7, p/q = 8, q/p = 4 4) Always Sometimes Always Sometimes Sometimes 5) a) i)100/20 = 5m per second ii)2.5m per second b) i)Claire ii) Bill iii)Dee c) Starts high, drops to zero, curves high again 6) a) 3.14, 22/7, pi, root 10 b) i) irrational because it can not be expressed as one integer over another ii) rational because it can be expressed as one integer over another c) 101, because for every 0 in 10 to the power of 100, 3.14 gains a digit and there are 100 zeros in it. 7) a) x = -1/11 8) b) n = 3s + 4 c) 42 d) i)1 x, 3x, 5x ii) p+6 9) a) i)3 squared ii)3 to the power of one iii)root 3 to power of 3 iv) 1 over 3 to power of 1/2 by 3 b) -16n to the power of 4 c) when x is negative 10) a) i) -4, -2, 0, 2, 0, -2, -4 b) i) 2, 1, 0, -1, 0, 1, 2 11) a) i) x squared + 10x + 25 ii) 20x is divisible by 4 b) i)(5x+7n)(5x-7n) ii)(2x+3)(x-6) 12) a) 14, 3, 1.69 b) y is 14 when bag 1 and 2 are equal and 3 when bag 3 and 2 are equal, y can only have one value 13) 52a squared 14) b) i) 130 i) 67.5 iii) 2.5 hours c) i) 180 ii) 20, -120

Name— 10/06/16