The Bridge to A level Diagnosis 1 Solving quadratic equations Question 1 Solve + 6x + 8 = 0 x2 (2) Question 2 Solve the equation y2 7y + 12 = 0 – Hence solve the equation x4 7x2 + 12 = 0 –
The Bridge to A level Diagnosis 1 Solving quadratic equations Question 1 Solve x2 + 6x + 8 = 0 (2) Question 2 Solve the equation y2 – 7y + 12 = 0 Hence solve the equation x4 – 7x2 + 12 = 0