Mathematical Modelling
Personal Finance
Geometry/Trigonometry
Data Management
100
Which of the following is not an exponential functions? f(x) = 3-2x
g(x) = 2x/2
h(x) = x3/2
t(x) = (15/7)x
h(x) = x3/2
100
What is the difference between gross and net pay?
Gross pay is everything you earned before deductions
Net pay is what you take home after deductions
100
State the sine law
100
What is the difference between population and sample?
The population contains all members of a specific group whereas the sample is a subset of the entire population.
200
Calculate the following expression
2(2)^2
16
200
What is the difference between fixed cost and variable cost?
Variable Cost is an expense that changes
Fixed cost is an expense that stays the same
200
Which of these are the proper form of the cosine law?
1.) a2 = b2 + c2 -2bc(cos(A))
2.) b2 = a2 + c2 -2ac(cos(B))
3.) c2 = a2 + b2 -2ab(cos(C))
All of them are correct
200
Give one example of a primary source and one example of a secondary source.
Primary source (ex. interview)
Secondary source (ex. internet database)
300
What does the h value represent in terms of transformations.
y=a(x-h)2 + k
It represents a horizontal translation h units.
300
Tom works 10 hours at $11 per hour. He pays $55 in tax. Determine his net pay?
His net pay is $55
300
Solve or explain how you would find angle A
29.7 degrees
Tan(a) = O/A = 4/7
a=tan-1(4/7)
300
What is the theoretical probability of landing on the colour green.
3/8
400
In the equation
y = -4(x + 3)2 -2
which number or symbol causes a reflection in the x-axis?
The negative in -4
400
You invested $500 and received $650 after three years. What was the interest rate?
10%
400
Given the two ‘legs’ of a right triangle measure 3m and 4m, determine the hypotenuse.
5m
400
What is the difference between experimental and theoretical probability?
Theoretical probability is what is expected to happen
Experimental probability is what actually happens based on an experiment
500
Factor the following:
y = x2 + 8x + 15
y=(x+3)(x+5)
500
If there was a 35% discount on a bed now priced at $1090, determine the original retail price.
$1676.92
500
Mr.Tosti types sin 4/3 into his calculator and receives and error message. Why?
Sine = O/H
The opposite cannot be larger than the hypotenuse, as the hypotenuse is the longest side.
500
A) 1/20