# Inequalities vs. Equations — What's the Difference?

Edited by Tayyaba Rehman — By Fiza Rafique — Published on December 9, 2023
Inequalities express a relationship indicating one value is greater or less than another. Equations assert two expressions are equal, meaning they have the same value.

## Key Differences

Inequalities represent mathematical statements that two quantities are not necessarily equal. Equations, on the other hand, are mathematical expressions indicating two quantities are precisely equal.
Fiza Rafique
Dec 09, 2023
Inequalities can use symbols like <, >, ≤, or ≥ to depict the relationship between two expressions. Equations exclusively use the = symbol to showcase that the expressions on either side have the same value.
Fiza Rafique
Dec 09, 2023
When solving Inequalities, the goal is often to determine a range of possible values. With Equations, the objective is to pinpoint a specific value or values that satisfy the equality.
Fiza Rafique
Dec 09, 2023
In real-life applications, Inequalities might be used to represent conditions with an upper or lower limit, like budget constraints. Equations can depict exact relationships, such as the formula for calculating the area of a rectangle.
Fiza Rafique
Dec 09, 2023
While both Inequalities and Equations play a vital role in mathematics, they serve different purposes: Inequalities suggest a range or disparity, while Equations establish definitive equivalency.
Fiza Rafique
Dec 09, 2023

## Comparison Chart

### Definition

Relationship showing disparity between values.
Relationship asserting equality of expressions.
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Dec 09, 2023

<, >, ≤, ≥
=
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### Solution

Range of values
Specific value(s)
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Dec 09, 2023

### Real-life Application

Budget constraints, speed limits
Area formulas, balance sheets
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Dec 09, 2023

### Purpose

Indicate greater, less, or range relationship.
Establish exact equivalency.
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Dec 09, 2023

## Compare with Definitions

#### Inequalities

Expressions showing one quantity is larger or smaller than another.
The stock's value is ≥ \$50 uses Inequalities to depict a minimum stock value.
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Oct 26, 2023

#### Equations

Expressions indicating equivalency between quantities.
E = mc^2 is among the famous Equations in physics.
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Oct 26, 2023

#### Inequalities

Tools in math to depict non-equivalence relationships.
The speed of a car < 60 mph uses Inequalities to show a speed limit.
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Oct 26, 2023

#### Equations

Tools in math to depict exact relationships.
Y = mx + b is the Equation of a line in slope-intercept form.
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Oct 26, 2023

#### Inequalities

Mathematical statements indicating disparity between two expressions.
In the context of Inequalities, x > 5 means x is greater than 5.
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Oct 26, 2023

#### Equations

Relations used to establish a definite relationship between quantities.
The formula A = πr^2 is an Equation for the area of a circle.
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Oct 26, 2023

#### Inequalities

Relations used to establish bounds or limits on quantities.
In financial planning, Inequalities can set an upper limit on expenses.
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Oct 26, 2023

#### Equations

Mathematical statements asserting two expressions are equal.
2 + 2 = 4 is one of the basic Equations we learn in math.
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Oct 26, 2023

#### Inequalities

The condition of being unequal.
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#### Equations

The act or process of equating or of being equated.
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Oct 19, 2023

#### Inequalities

An instance of being unequal.
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Oct 19, 2023

#### Equations

The state of being equal.
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Oct 19, 2023

#### Inequalities

Lack of equality, as of opportunity, treatment, or status.
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Oct 19, 2023

#### Equations

(Mathematics) A statement asserting the equality of two expressions, usually written as a linear array of symbols that are separated into left and right sides and joined by an equal sign.
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Oct 19, 2023

#### Inequalities

Social or economic disparity
The growing inequality between rich and poor.
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Oct 19, 2023

#### Equations

(Chemistry) A representation of a chemical reaction, usually written as a linear array in which the symbols and quantities of the reactants are separated from those of the products by an arrow or a set of opposing arrows.
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Oct 19, 2023

#### Inequalities

Lack of smoothness or regularity; unevenness.
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Oct 19, 2023

#### Equations

A complex of variable elements or factors
"The world was full of equations ... there must be an answer for everything, if only you knew how to set forth the questions" (Anne Tyler).
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Oct 19, 2023

#### Inequalities

Variability; changeability.
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Oct 19, 2023

#### Equations

Plural of equation
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Oct 19, 2023

#### Inequalities

(Mathematics) An algebraic relation showing that a quantity is greater than or less than another quantity.
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Oct 19, 2023

#### Equations

Mathematical formulations showcasing an equality relationship.
Force = Mass x Acceleration is an Equation from Newton's second law.
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Oct 26, 2023

#### Inequalities

(Astronomy) A deviation from uniformity in the apparent motion of a celestial body.
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Oct 19, 2023

#### Inequalities

Plural of inequality
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Oct 19, 2023

#### Inequalities

Representations not asserting exact equality between values.
Saying The number of attendees ≤ 100 uses Inequalities to show a potential range.
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Oct 26, 2023

## Common Curiosities

#### Can Equations have no solution?

Yes, some Equations might have no real solution, depending on their structure.
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Dec 09, 2023

#### Can Equations have multiple solutions?

Yes, some Equations, especially quadratic ones, can have more than one solution.
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#### Do Inequalities always have a solution?

Not always. Some Inequalities might not have a solution within a given domain.
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Dec 09, 2023

#### What's the main difference between Inequalities and Equations?

Inequalities show disparity between values, while Equations assert exact equality.
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Dec 09, 2023

#### Are Inequalities only used in mathematics?

No, Inequalities have applications in economics, physics, and various fields to denote ranges or limits.
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Dec 09, 2023

#### Are all mathematical relations either Inequalities or Equations?

No, while many are Inequalities or Equations, there are other mathematical relations like identities or congruences.
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Dec 09, 2023

#### Can Inequalities establish exact values?

Inequalities generally depict ranges or limits, not exact values.
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Dec 09, 2023

#### Which symbol represents "greater than or equal to" in Inequalities?

The symbol "≥" represents "greater than or equal to" in Inequalities.
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Dec 09, 2023

#### Can Equations represent physical laws?

Yes, many physical laws, like Newton's laws, are represented as Equations.
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Dec 09, 2023

#### Do Equations always involve numbers?

No, Equations can involve variables, constants, and even functions without specific numbers.
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Dec 09, 2023

#### Which symbol is exclusively associated with Equations?

The "=" symbol is exclusively associated with Equations.
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Dec 09, 2023

#### Can Inequalities be combined in a system?

Yes, you can have a system of Inequalities, often used in optimization problems.
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Dec 09, 2023

#### Are all Equations linear?

No, Equations can be linear, quadratic, cubic, or of even higher orders.
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Dec 09, 2023

#### Are Inequalities always strict?

No, Inequalities can be strict (like < or >) or non-strict (like ≤ or ≥).
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Dec 09, 2023

#### Are there graphical methods to solve both Inequalities and Equations?

Yes, both Inequalities and Equations can be represented and solved graphically, often using coordinate planes.
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Dec 09, 2023

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