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Page 1

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C1
Surds
Squar
e Number
­
The
product
of
an
ident
ical
i
nteger
mul
ti
pli
ed
by
it
sel
f

e.g. 1, 4, 9, 16....

Sur
ds
­ The
squar
e r
oot
of
a
nonsquar
ed
int
eger


e.g. 2

Al
l
sur
ds
are
ir
rat…

Page 2

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Pol
ynomi
al
­ somet
hing
that
j
ust
has
a s
ingl
e l
ett
er
rai
sed
to
any
power


e.g. Ax² + Axn1 + Ax3

Ascending/ descending powers ­ ordering powers

e.g. (descending power) 9x2 + 6x + 3

(ascending powers) 3 + 6x + 9x2

Degree…

Page 3

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(2)a + 5d = 27 (2)-(1) a=2

3d = 15 d=5

We can write the `sum' of an arithmetic progression using sigma:

e.g.




n = 47 - 14 a= 25/-3 d=2

33/2((2*25) +2(32)) = 1881

Simultaneous Equations

With simultaneous equations we have more than one unknown, each unknown takes the…

Page 4

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We can use the "b2 - 4ac" part from our formula to determine whether or not the curves will pass through each other more than once,
once or never.

b2 - 4ac > 1 = Two or more solutions

b2 - 4ac = 0, One solution

b2 - 4ac< 0…

Page 5

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1) Add one to the power
2) Divide the coefficient of x by the new power.

Graphs

Asymptote ­ the line that comes close to the curve but never quite touches it.

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