Mathematics SAB Revision Series 40 Conjectures
I 40 Conjectures
1. [8 marks: 6,2]
It is conjectured that the formula P(n) = n 2 7911 + 1601 will give a prime number
for certain integer values of n .
(a) Show that this conjecture is t
athematics 3A3 Revision Series 24 Probability II
24 Probability II
1. [13 marks: 5, 2, 2, 4]
Let the Universal Set be the set of all integers between 1 and 50 inclusive.
Let M: cfw_x I x is a multiple of 6
F: cfw_x I x is afactor of
T Mathematics SAB Revision Series 23 Probability I
23 Probability I
1; [6 marks: 1, 1, 2, 2]
Given that U = cfw_ x | 50 S x S 70, x is an integer,
A = cfw_51, 53, 65, 68 , B = cfw_62, 64, 65, 66 and c = cfw_51, 53, 66, 70.
(a) Find IU
Mathematics 3AB Revision Series 15 Sequences
1. [4 marks]
Describe in words the meaning of the following recursive equation.
List the first 5 terms of this sequence.
Ci+3 = Ci+2 + Ci+1 + Ci for i = 1, 2, 3, where C1 = 0,
Job Costing 2 (3A)
Printers 4 U has been asked to supply a quote to Marketing Solutions for the supply of 70 photocopied
booklets of 35 pages of A4 paper with metal coil binding and cardboard cover.
The photocopying costs (including the A4 paper) will
Marking Keys for extended response
GUIDE TO MARKING RESPONSES
Evidence used to support statements, lines of argument
Makes reference to relevant psychological studies and theories with explicit explanation
of what the study or theory contributes to the to