Quadratic

A quadratic function cannot be used here.

Determine the range of values of the constant k to which the quadratic inequality x² + kx - 3k > 0 holds for any real value of x.

Quadratic equations have 2 roots.

Tom tried to understand the quadratic formula.

There is a straightforward formula for solving a quadratic equation.

A quadratic equation has two solutions.

A linear or even a quadratic relation between the overall gain in efficiency η and the modularity Q would have been easily explained through S1 Fig, which shows a quadratic (inverse) relation between interedges fraction and modularity.

If the binomial roots of a series of quadratics be squaredly squared, and those results be constant portions of the cube of the resolvend, and the dioristic limit; […]