e these quadratic equations by factorising. (iii) x -6x 8 0 (v) 2x 4- 5x 3 0 7x-18, o (vi) 2xi x 6-0 (vii) 4x3 3 10 (vii) 6x3 19x t 10 m 0 2. Sketch the following quadratic graphs, showing the points where the graph cuts the coordinate axes in each case. (i) y x2 x-2 (i) y x2 +5x+4. (iv) 2x2 -5x +12 (v) y 6-x-x (vi) 6x2 +x-12 3. Write each of the following quadratic functions in completed square form: (i) x2 2x-3 (ii) x -6x 1 x2 x 1 (iv) 5x (v) 2x2 4x 3 (vi) 3x2 8x -2 4. Solve the following quadratic equations, where possible. (iv) 2 -5x 1230 (i) (v) -5x 3-0 (viii) 4x 10x 5 0 (vii) 4x 12x 9 0
