(2) (b) On the grid, draw the of y = x2 2x for values of x from to 4 – –2 (2) (c) Solve x2 2x 2 = 1 – – .............................................................................................................................................. (2) (Total for Question is 6 marks) Q6. The diagram shows the graph of y = x2 4x 2 – – (a) Use the graph to find estimates for the solutions of (i) x2 4x 2 = 0 – – ........................................................... (ii) x2 4x 6 = 0 – – ........................................................... (3) (b) Use the graph to find estimates for the values of x that satisfy the simultaneous equations y = x2 4x 2 – – + = 6 x y ........................................................... (3) (Total for question = 6 marks)
(2) (b) On the grid, draw the of y = x2 – 2x for values of x from –2 to 4 (2) (c) Solve x2 – 2x – 2 = 1 .............................................................................................................................................. (2) (Total for Question is 6 marks) Q6. The diagram shows the graph of y = x2 – 4x – 2 (a) Use the graph to find estimates for the solutions of (i) x2 – 4x – 2 = 0 ........................................................... (ii) x2 – 4x – 6 = 0 ........................................................... (3) (b) Use the graph to find estimates for the values of x that satisfy the simultaneous equations y = x2 – 4x – 2 x + y = 6 ........................................................... (3) (Total for question = 6 marks)
11ma1-revision-booklet-1.docx