How many hours did they hire the van for? First we need to put this information into an equation. \(x\) is the number of hours they hired the van for. This is what we have to find. Their total bil ...

Now try the example question below. Solve the quadratic equation \({x^2} - 6x + 8\) by completing the table below, plotting the points and drawing the parabola then reading off the roots from the ...