Apps. and Interpretation for IBDP Maths Ebook 1 | Page 100

Your Practice Set – Applications and Interpretation for IBDP Mathematics Chapter 10 Coordinate Geometry SUMMARY POINTs � Consider the points P( x1, y 1) and Q( x2, y 2) on a x - y plane: y � y m � : Slope of PQ x � x 1. 2 1 2. 2 1 d � ( x � x ) � ( y � y ) : Distance between P and Q 3. 1 2 1 2 2 2 2 1 2 1 � x � x , y � � y � 2 2 � �: Mid-point of PQ � � Consider the points P( x1, y1, z 1) and Q( x2, y2, z 2) on a x - y - z plane: 1. z -axis: The axis perpendicular to the x - y plane 2. d � ( x � x ) � ( y � y ) � ( z � z ) : Distance between P and Q 2 2 2 2 1 2 1 2 1 � x � x , y � y , z � � z � 2 2 2 3. 1 2 1 2 1 2 � �: Mid-point of PQ � 90 SE Production Limited