Solving quadratic equations - Eduqas Graphs of quadratic functions. ... Example. Draw the graph of \(y = x^2 -x - 4 \) and use it to find the roots of the equation to 1 decimal place.

Sketching a quadratic function Sample questions. To sketch a quadratic function you must first determine the roots, ... Sketch the graph of the function \(y = 2x - {x^2} - 3\) Show answer Hide answer.

Vector graph or chart of quadratic or polynomial function with formula f(x) = ax2 + bx + c. The mathematical operation, basic function. Graph with grid and coordinates isolated on white background.

Step 1: Sketch the graph. Start by plotting the graph of your given quadratic function. Step 2: Reflect about the line y = x. Since finding the inverse requires swapping x and y values, reflecting ...