Section 1
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A=pi(R^2-r^2)
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Last updated
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Date created
Mar 1, 2020
Cards (81)
Section 1
(50 cards)
A=pi(R^2-r^2)
Annulus area formula is
smallest unit of measure x 0.5
absolute error=
I=PxRxN
simple interest formula
95%
standard deviation percentage of 2 and -2?
dividend amount/shares
what is the dividend formula?
a^xy
(a^x)^y =?
a parabola
quadratic function looks like
1/2 x $1 + 1/2 x - $1 = $0
2 people are betting $1 on the toss of a coin. what is the financial expectation?
E=(1+r)^n-1/n
the formula for effective rate interest is
p(outcome)x no. of trials
expected outcome=
I=PXRXN
flat rate interest formula
dividend/value
what is the dividend yield formula?
a numerical whole number e.g. 1
discrete data is
total amount to be repaid=monthly payment X number of repayments to be made
reducing balance loan
concave down
if the x^2 term of a quadratic function is negative what way will the curve be?
y=x^2
quadratic function is
y=a/x
a hyperbolic function is
2x^2
x^2+x^2 =?
finding a side when we have 2 sides and 1 angle or angles when we know three sides but no angles
What is the Cosine rule used for?
multiplying each possible financial outcome by the probability of that financial outcome and adding the results together
Financial expectation is calculated by
most the scores are at the lower end
positively skewed occurs when
concave up
if the x^2 term of a quadratic function is positive what way will the curve be?
68%
standard deviation percentage of 1 and -1?
growth of an investment
exponential functions are used to measure?
a2=b2+c2-2bc cosA
What is the Cosine Rule
when the order does matter
nPr is for?
A=h/3 (df+4xdm+dl)
The formula for Simpsons rule is:
a/SINA = b/SINB = c/SINC
What is the sine rule?
y=x^3
cubic function is
gender, quality
categorical data is
99.7%
standard deviation percentage of 3 and -3?
original number tagged x total recaptured / total tagged in the recapture
What is the capture-recapture formula?
to find side lengths when we know all 3 angles or angles when we know 2 sides
What is the sine rule used for?
a^x-a^y
a^x / a^y =?
y=mx+b
a linear function is
y=2^x
an exponential function is
times by the amount per thousand it is
when using a loan table it is important to remember to?
V=AxH
The volume of a solid prism is found using the formula
SA=piXr^2+2piXrh
the surface area for an open cylinder is found using the formula:
one goes down, the other goes down, or one goes up, the other goes up
direct variation i when?
absolute error/measured quantity x100%
percentage/relative error formula
Area = 1/2 ab SINC or Area= 1/2 bc SINA or Area= 1/2 ac SINB
what is the formula for finding the area of a triangle when we don't know the height?
most the scores are at the higher end
negatively skewed occurs when
U
a parabola is a what shape
one goes up and the other goes down
inverse variation is when?
same side = minus opposite sides = add
how do you work out time?
discrete or continuous
quantitative data is
numerical although not whole e.g. 1.1
continuous data is
a^x+a^y
a^x x a^y =?
when the order doesn't matter
nCr is for ?
Section 2
(31 cards)