Definition of «equation»

An equation is a mathematical statement that two expressions are equal. It consists of an arithmetic operation (such as addition, subtraction or multiplication) between two variables, one or more constants and/or coefficients, and the variables themselves. Equations can be solved for their unknowns to find values that make the equation true.

Usage examples

Solve the quadratic equation: x^2 + 6x + 9 = 0
Balance the chemical equation: H2 + O2 → H2O
Derive the mathematical equation for calculating the area of a circle: A = πr^2
Write the equation representing the relationship between force, mass, and acceleration: F = ma
Use the Pythagorean theorem equation to find the length of the hypotenuse: a^2 + b^2 = c^2

Phrases with «equation»

Sentences with «equation»

After a year of work, he had what he believed to be the definitive set of equations in hand. (scientificamerican.com)
In equation form, it would look like this. (alephblog.com)
Students were to set up systems of equations for situations presented in word problems and put the systems in matrix form. (citejournal.org)
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Definition of «equation»

Usage examples

Phrases with «equation»

Sentences with «equation»

See also