Question 1: 28
Question 2: ASA
Question 3: 2, 6, 18, 54, 162
Question 4: b is ¾ of a
Question 5: 22 x 32
Question 6: False, True, True, True, True, False
Question 7: 270
Question 8: y = 8x/5
Question 9a: 2 times
Question 9b: ÷(4) circled
Question 10: x = 8 and y = 2
Question 11: £90.64
Question 12: 16π
Question 13: 6.0052 x 106
Question 14: x < -2
Question 15: 3
Question 16a: 2/5 (even), 3/5 (odd)
Question 16b: 1/15 or 2/30
Question 17a: y-difference = -4, x-difference = 2, gradient = -4/2 = -2
Question 17b: Yes; Gradient of line between C and A or B shown as -2
Question 18: 6 bottles from shop A and 2 bottles from shop C
Question 19a: Curve drawn through points (40 , 0), (50 , 9), (60 , 25), (70 , 45), (80 , 53), (90 , 60)
Question 19b: 72 to 73
Question 20: 16
Question 21a: No; Translation by vector (6 | 0) is also possible
Question 21b: Enlargement by SF -2 about (-1 , 0)
Question 22: QS/PT
Question 23a: 6.25 seconds
Question 23b: 300 metres
Question 24a: 7/2
Question 24b: 24/3
Question 25: 288
Question 26: 4x3 + 12x2y + 9xy2 – 16x2 – 48xy – 36y2
Question 27: y = 0.25x + 4.25
Question 28: 117pi
Question 29: (r6 - r3)/12
Predicted Grade Boundaries:
/80
71/ 9
65/ 8
59/ 7
50/ 6
40/ 5
below 40/ below level 5