Includes all numbers divisible by three 1 S (b) Includes all square numbers [no repeats] 1 S Counts the number of elements outside the 4 (c) 1 C three sets described Identifies there is one element in the (d) 1 C B intersection and four elements in set Question 4 (5 marks) Task Solution Behaviours Marks (S/C) Squares one pair of bracket 1 S accurately (a) Expands second pair of brackets 1 S Simplifies expression 1 S Identifies 1 S correct terms and powers (b) Selects correct S 1 row and coefficients Question 5 (3 marks) Task Solution Behaviours Marks (S/C) (a) Substitutes 2x into expression and simplifies 1 S Dilation parallel to the -axis by Describes dilation fully 1 S (b) ½ a scale factor of Nominates correct scale factor 1 S Question 6 (4 marks) Task Solution Behaviours Marks (S/C) Draws a line with a negative gradient 1 S and x Labels the -intercept with the correct 1 S (0,4) coordinates (a) 0 (4,0) = Determines gradient of the line 1 S Gradient Evaluates the angle with a tangent of -1 1 S (b) Ɵ
(b) Includes all numbers divisible by three Includes all square numbers [no repeats] 1 1 S S (c) 4 Counts the number of elements outside the three sets described 1 C (d) Identifies there is one element in the intersection and four elements in set B 1 C Question 4 (5 marks) Solution Behaviours Marks Task (S/C) (a) Squares one pair of bracket accurately Expands second pair of brackets Simplifies expression 1 1 1 S S S (b) Identifies correct terms and powers Selects correct row and coefficients 1 1 S S Question 5 (3 marks) Solution Behaviours Marks Task (S/C) (a) Substitutes 2x into expression and simplifies 1 S (b) Dilation parallel to the -axis by a scale factor of ½ Describes dilation fully Nominates correct scale factor 1 1 S S Question 6 (4 marks) Solution Behaviours Marks Task (S/C) (a) (0,4) 0 (4,0) Draws a line with a negative gradient Labels the x and -intercept with the correct coordinates 1 1 S S (b) Gradient = Ɵ Determines gradient of the line Evaluates the angle with a tangent of -1 1 1 S S