Curved graphs can be used to solve equations. The points at which the curve crosses a particular line on the graph are the solutions to the equation. If we want to solve the equation \(\text{x}^ ...

We can calculate the gradient of a tangent to a curve by differentiating. In order to find the equation of a tangent, we: Differentiate the equation of the curve Substitute the \(x\) value into ...

Plug in the values into the formula, and you get ... The shape of arches in bridges often follows a parabolic curve. The parabola equation is useful in structural engineering to design arches ...