Draw Graphs of Equations in Windows OneNote. Now, when you want to solve a math equation and write it down, ... To do this, begin by writing your equation. For example: y=x+3 or y=sin(x)+cos(2x).

This equation is the same as the general equation of a circle, it's just written in a different form. Example Find the equation of the circle with centre \((2, - 3)\) and radius \(\sqrt 7\).

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