Write a quadratic function in standard form to represent the data in the table X 2 4 y 3 1 Standard Form f x ax bx c What is the vertex 63 Write the equation in vertex form f x a z Now choose another point to find the value of a Substitute that point into the vertex form of the function to find the value of a y 8 10 9 19 Now write the vertex form of the function Then convert to the standard form The standard form of the function is Enter numbers only 2