6. (a) 5x + 6 = 0 x2 – (x 2)(x 3) = 0 – – (A1) = 2 x (A1) = 3 x (A1) (b) (2, 0) (3, 0) (A1) Notes: Follow through from part (a). Both must be correct and written as coordinates for (A1) [4] 7. (a) (x + 2)(x 4) – (A1) (b) (i) (–2, 0) (A1) (ii) (1, (A1)(A1) –9) [4] 8. (a) For six single lines going to correct (y-value can be repeated) y (M1) Correct diagram (y-values not repeated) (A1) (C2) (b) {–2, 0, 1, 2, 3}  x –1, (A2)
6. (a) x2 – 5x + 6 = 0 (x – 2)(x – 3) = 0 (A1) x = 2 (A1) x = 3 (A1) (b) (2, 0) (3, 0) (A1) Notes: Follow through from part (a). Both must be correct and written as coordinates for (A1) [4] 7. (a) (x + 2)(x – 4) (A1) (b) (i) (–2, 0) (A1) (ii) (1, –9) (A1)(A1) [4] 8. (a) For six single lines going to correct y (y-value can be repeated) (M1) Correct diagram (y-values not repeated) (A1) (C2) (b) x  {–2, –1, 0, 1, 2, 3} (A2)
ms_1_review_package_for_quadratic_functions2.docx