Page 6 - Math SL HB Sem 1
P. 6
PRESUMED KNOWI,E,DGIi
2. REAL NT]I\{BER SYSTEM
PROI'ER'I'IF],S OF ZERO, O
i)0+a:a+0:a
ii)0xa:ax0=0
e.g. 0x0-0 g - undefined ( because the division by zero cannot be
0
(l on e)
0 0
=0 = undetenlinecl
8 0
I(I'AI- NTIMBIIR LINE ANI) I'I-S IN'I'EIIVAI,
lnequality lnterval lnterval Symbol Line Graph Types of lnterval
a<x<b la,bl closed
q
a<x<b opened
)",tI
,-\ b
_3---1- llalf lpened or
a<x!b )c, bl
half-closed
aSx<b l..tl q Llalf -opened or
half-closed
x <a l--'al <-------------- Closed at thc right
b
x>b . opened
la.-[
b
-
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