5 (a) On the grid, draw the graph of = + 4 for values of from to 5. y- x −2x −1 (4) (b) Show by shading on the grid, the region defined by all three of the inequalities + 4 y −2x ≤ y −4 ≥ 1 x ≥ Label your region R. (3) (Total for Question 5 is 7 marks) ___________________________________________________________________________ 6 Solve the simultaneous equations. 5x 2y = 9.5 − 4x + 2y = 13 Show clear algebraic working.
5 (a) On the grid, draw the graph of y- = −2x + 4 for values of x from −1 to 5. (4) (b) Show by shading on the grid, the region defined by all three of the inequalities y ≤ −2x + 4 y ≥ −4 x ≥ 1 Label your region R. (3) (Total for Question 5 is 7 marks) ___________________________________________________________________________ 6 Solve the simultaneous equations. 5x − 2y = 9.5 4x + 2y = 13 Show clear algebraic working.
igcse-9-1-maths-practice-paper-6.docx