Your Practice Paper – Applications and Interpretation SL for IBDP Mathematics
� Inflation : i % : Inflation rate R % : Interest rate compounded yearly ( R� i)%
: Real rate
� Annuity : 1 . Payments at the beginning of each year
2 . Payments at the end of each year
� Amortization : 1 . Payments at the beginning of each year
2 . Payments at the end of each year
10
Coordinate Geometry
� Consider the points P( x1, y
1) and Q( x2, y
2) on a x - y plane : y2 � y1 1 . m � : Slope of PQ x � x
2 .
2 1
d � ( x � x ) � ( y � y ) : Distance between P and Q
2 2 2 1 2 1
1 2 1 2
3 .
� x � x , y � y � �
�: Mid-point of PQ � 2 2 �
6
SE Production Limited