• We need your support!

    We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
    Click here to Donate Now (View Announcement)

IGCSE Mathematics Revision Notes

Messages
515
Reaction score
1,447
Points
153
These r the notes i used in my igcse n it really helped me alot.... and i got A in maths..
Best of luck :)
 

Attachments

  • GCSE_Mathematics__Instant_Revision_.pdf
    2.9 MB · Views: 1,863
Messages
402
Reaction score
767
Points
103
WHOA WHOA WHOA!!!!!!!!!!!
AWESOME!!!!! Um, I have to appear in mathematics D syllabus in may/june, and I don't know how to start my revison. Can you help me? PLEEEEEEEEAAAAAASSSSSEEEEE!!!!!!!!!!!!!!!!!!!!
tumblr_mgvw0fchFU1r501n2o1_500.jpg
 
Messages
43
Reaction score
13
Points
18
9 Answer the whole of this question on a sheet of graph paper.
A taxi company has “SUPER” taxis and “MINI” taxis.
One morning a group of 45 people needs taxis.
For this group the taxi company uses x “SUPER” taxis and y “MINI” taxis.
A “SUPER” taxi can carry 5 passengers and a “MINI” taxi can carry 3 passengers.
So 5x + 3y 45.
(a) The taxi company has 12 taxis.
Write down another inequality in x and y to show this information. [1]
(b) The taxi company always uses at least 4 “MINI” taxis.
Write down an inequality in y to show this information. [1]
(c) Draw x and y axes from 0 to 15 using 1 cm to represent 1 unit on each axis. [1]
(d) Draw three lines on your graph to show the inequality 5x + 3y 45 and the inequalities from parts
(a) and (b).
Shade the unwanted regions. [6]
(e) The cost to the taxi company of using a “SUPER” taxi is $20 and the cost of using a “MINI” taxi is
$10.
The taxi company wants to find the cheapest way of providing “SUPER” and “MINI” taxis for this
group of people.
Find the two ways in which this can be done. [3]
(f) The taxi company decides to use 11 taxis for this group.
(i) The taxi company charges $30 for the use of each “SUPER” taxi and $16 for the use of each
“MINI” taxi.
Find the two possible total charges. [3]
(ii) Find the largest possible profit the company can make, using 11 taxis. [1] PLease help me Ill appreciate it
 
Top