Quadratic Functions 1 Here are 4 equations of quadratic functions and 4 sketches of the graphs of quadratic functions A y x 6x 8 B y x 6 x 8 C y x 6 8 D y x 8xx 6 a a x 2 Match the equation to its graph and explain your decision Equation A matches Graph because Equation B matches Graph Equation C matches Graph Equation D matches Graph because because 3 because 4 b Write the co ordinates of the points P Q R 2 The graph of a quadratic function has a y intercept at 0 5 and a minimum at 3 4 Write the equation of its curve function S S