Your Practice Set – Applications and Interpretation for IBDP Mathematics SE Production Limited 326 26.4 ( a ) 1 29 53 1 2 2 3 5 0 2 2 1 2 0 � � � � � � � � � � � � � � � � � � � � � � � A ( b ) 956 4131 6559.5 92 403 624.5 71 303 492 � � � � � � � � � � � � � � � � C 27.1 ( a ) 1 6 8 29 13 39 39 5 2 22 13 39 39 1 1 2 13 13 13 � � � � � � � � � � � � � � � � � � � � � � � A ( b ) 170 39 133 39 5 13 � � � � � � � � � � � � � � � � � � � � X 27.2 ( a ) 1 14 5 10 37 37 37 45 24 11 37 37 37 13 2 4 37 37 37 � � � � � � � � � � � � � � � � � � � � � � � A ( b ) 320 x �� , 648 y �� , 276 z �� 27.3 ( a ) 2 a � � ( b ) 6 15 12 � � � � � � � � � � � � � X 27.4 ( a ) 8 p � , 24 q �� ( b ) 1 16 15 64 9 64 � � � � � � � � � � � � � � � � � � � � X 28.1 ( a ) 6 0 0 1 � � � � � � � ST ( b ) Horizontal stretch with scale factor 6 ( c ) ( 18 , 5 ) � 28.2 ( a ) 1 0 0 1 � � � � � � � � ST ( b ) Reflection about the line 0 x � ( c ) ( 2,1 ) � 28.3 ( a ) Rotation clockwise of 6 � radians about the origin ( b ) ( 5.46,1.46 ) ( c ) 12 28.4 ( a ) Rotation anticlockwise of 2 3 � radians about the origin ( b ) ( 4 , 0 ) ( c ) 3 Exercise 27 Exercise 28