Linear Equations
Matrices
DATA
Finance/Sequences
Mr Sewart
100
Does (1,1) belong on the line of y=2x+3
No
1=2(1)+3
1 =/ 5
100
What is the order of the following Matrix?
3 x 2
100
A survey that collects data on eye colours in a school would be:
Ordinal
Nominal
Continuous
Discrete
Nominal
100
Find the common difference in the following Sequence:
2,4,6,8,10
2
100
What is Mr Sewarts First name?
Ryan
200
Identify the slope and y-intercept of the following linear equation:
y=-2x+3
Slope = 2
Y-int = 3
200
Find the determinant of the following matrix:
No determinant can be found as it's not a square matrix.
200
What is the modal frequency?
North west
200
Find the common ratio in the following sequence:
2,4,8,16,32,64
2
200
Name one of the two sports Mr Sewart enjoys playing
Tennis or Golf
300
The gradient of a vertical line is?
Undefined
300
Create and adjacency matrix that represents this network.
300
The following stem and leaf plot is:
a) Negatively skewed
b) Positively skewed
c) Symmetrical
d) Undefined
Positively skewed
300
Write down the recurrence relation for a simple interest investment of $20000 with an interest rate of 5% p.a.
u0=20000, un+1= 20 000 + 1000n
300
Who does Mr Sewart follow in the AFL?
Essendon
400
Solve the following linear equations
y=2x+5
y=x-2
x=-7
y=-9
Solve on your CAS calculator
400
2 are defined
400
Find the Mean and Median
Mean = 4.4
Median = 3.5
400
Write down the recurrence relation for a compound interest investment of $25 000, with an interest rate of 10% compounding quarterly
u0=25000, un+1= 1.0025* 25 000
400
How many siblings does Mr Sewart have?
3
500
'River car sales' sells sedans and wagons.
The profit made on selling six sedans and four wagons is $25 600.
The profit made on selling three sedans and one wagon is $10 000.
How much profit does 'River car sales' make off one Sedan
$2400
500
Fill in the rest o the table.
Column one value:0.3
Column two value:0.3
Column three value: 0.3
500
Find the mean and the standard deviation
p.s.
Mean = 145
S.D. = 15
500
If after 4 years it is a health risk then it must be serviced after the 3rd year
500
How old is Mr Sewart?
27