The graph of a quadratic equation forms a parabola. ... Now, we subtract 1 from each side of the equation to achieve what is known as the standard form of a quadratic equation: x² – x – 1 = 0.

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

Learn about and revise quadratic, cubic, reciprocal and exponential graphs with GCSE Bitesize OCR Maths.