Formulae contain equals signs, as do equations, so it can sometimes be difficult to tell the difference between an equation and a formula.

The plural of formula is formulae or formulas. Formulae contain equals signs, as do equations, so it can sometimes be difficult to tell the difference between an equation and a formula.

Specifically in Algebra II, as a team, we will examine ways to use the ... In other words, use the structure to determine how to simplify an expression, factor a polynomial, or solve an equation ...

He revolutionised algebra and his seminal works ... In particular, al-Khwārizmī developed a formula for systematically solving quadratic equations by using completion and balancing to reduce ...