State the number of real roots of the equation 3x2−5x+4=03x^2 - 5x + 4 = 03x2−5x+4=0
Circle your answer.
000
111
222
333
8 exam-style questions on OCR A Level Maths 1.2.4 Quadratic functions. Each one has a worked solution and a mark scheme showing where the marks go.