Final answer:
An equation where the variable is within a root, like a square or cube root, is known as a radical equation. Such equations are common in various types of mathematical problems, including equilibrium issues.
Step-by-step explanation:
An equation in which the variable occurs in a square root, cube root, or any higher root is called a radical equation. Understanding how to solve these equations requires familiarity with manipulating roots and powers, which are basic mathematical operations. In some types of equilibrium problems, these operations must be neatly performed to find the correct answer. When approaching these equations, remember that any number raised to an exponent represents repeated multiplications of that number. For example, raising a number to the exponent 2 is squaring that number. Thus, any equation that involves these operations and requires finding an unknown value will likely be a radical equation.