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Year 12 Flashcards | StudBud
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Year 12
Year 12
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Answers
1
p.a. in financial mathematics stands for...
per annum
past annual
per annual
past annum
2
What does f"(x)>0 tell you about a curve?
The curve is concave up
The curve has a stationary point
The curve is concave down
There is a point of inflexion
3
What does the gradient of a curve tell us?
rise/run
What the graph should look like
dy/dx
The rate of change
4
Which of the following is NOT a test for congruency?
SSS
ASS
SAS
AAS
5
Which area of Mathematics is used to study motion?
Geometry
Trigonometry
Calculus
Exponential Functions
6
The Greek letter sigma (Σ) is used to represent the product of a series.
True
False
7
The sum of the probability of all possible events occurring will always add up to 1.
True
False
8
30
o
=?
π/3 radians
π/6 radians
π radians
π/4 radians
9
'e' is approximately equal to 2.72
False
True
10
For an even function f(-x)=f(x)
False
True
11
The complement of an event occurring is...
equal to one
the event not occurring
a nice comment about the event
independent of the event
12
Complementary angles add up to 180
o
True
False
13
If events are mutually exlusive it means...
two events are occurring at the same time
if one event occurs, the other cannot
14
Without using a calculator, the value of 28.3/(15.7x2.4) is...
Greater than one
Less than one
Equal to one
15
A logarithm is...
an irrational number
a way of showing your working out
a natural number
an index
16
In the general eponential growth and decay formula, Q=Ae
kt
, A stands for...
The time taken to grow/decay
The growth/decay constant
The amount of the substance after a period of time
The initial quantity
17
You are given 2 sides and the included angle of a triangle. To find the 3rd side you would use the Sine Rule.
True
False
18
A curve has a minimum turning point at (2,1) and an odd highest power. Is this turning point a...
Relative minimum?
Absolute Minimum?
19
Integration is...
the process of finding the primitive function
the process of finding an area under a curve
the process of finding stationary points
the process of finding the volume of a solid
20
Two cities are 3295km apart. This number correct to 2 significant figures is...
3300km
33km
3200km
3295.00km
