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

Quadratic equations are basic to algebra and are the math behind parabolas, projectiles, satellite dishes and the golden ratio.

Plot of a quadratic equation showing the classic parabola, made with NumPy and Matplotlib. Linear equation 3x + 5 plotted with SymPy. Plot of a Quadratic Equation created in SymPy.

As intimidating as this looks, hiding inside is a simple secret that makes solving every quadratic equation easy: symmetry. Let’s look at how symmetry makes the quadratic formula work and how a lack ...

The quadratic formula learned by generations of math students is difficult to remember, but it can be used to solve quadratic equations where y = 0.

Graph of a quadratic equation and its roots via the quadratic formula. Jacob Rus, CC BY-SA Equations and plots like these are part of algebra, but they’re not the whole story. What unifies ...

The second equation is just a special case of the first, with a = 0.5g, b = v, x = t and c = h. Thus, projectile motion is modeled by a quadratic equation. Graph During the World Pyro Olympics ...

Quadratic equations are polynomials, meaning strings of math terms. An expression like “x + 4” is a polynomial. They can have ...