Grade 8 Extension Problems Linear Functions and Models
1.
10 000 people attended a sports match. Let x be the number of adults attending the sports match
and y be the number of children attending the
Name:_
1.
IB Math Studies Paper 2 Summer Practice
The profit (P) in Swiss Francs made by three students selling homemade lemonade is modelled
by the function
P=
1 2
x + 5x 30
20
where x is the number
Functions and Quadratics Review IB Problems
1.
2
The graph of y = x 2x 3 is shown on the axes below.
y
20
10
4
3
2
1
0
(a)
2
3
4
5
6
x
Draw the graph of y = 5 on the same axes.
(b)
1
Use your graph to
NORMAL DISTRIBUTION
For each example:
1. Write down the mean and standard deviation.
2. What is the information about (what do you think)?
MEAN: 5.8
SD: 5.24
The graph is about the distribution of a w
1.
A room is in the shape of a cuboid. Its floor measures 7.2 m by 9.6 m and its height is 3.5 m.
(a)
Calculate the length of AC.
(b)
Calculate the length of AG.
(c)
Calculate the angle that AG makes
IB Language and
Literature SL
Paper 1
Unseen Commentary
Review & Advice
1
What is Paper 1?
Paper 1 is one of two examination papers that are set and marked externally, and it counts for 25% of the
tot
IB MATH STUDIES SL 1: IB-Style Review Questions for Test
Linear and Simultaneous Equations, Linear Relations, and Functions
1.
2
A quadratic function, f(x) = ax + bx, is represented by the mapping dia