Mathematics on this graph isn’t limited to algebraic expressions. You can also plot graphs for trigonometric equations (equations that use sine, cosine, and tan, etc.), establish graphs for ...

Also, plot graphs that contain a negative coefficient of x. ... The expressions are linked with the symbol =. such as 𝑥 = 2, 𝑦 = 3𝑥 + 7 or 𝑥 + 2y = 10.

Learn how to read and plot quadratic graphs with this BBC Bitesize Maths article. For students between the ages of 11 and 14.