# Algebra- key words

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• Created by: natwbu
• Created on: 06-08-14 14:02
Equation
A mathematical statement that two expressions are equal.
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Expression
A mathmatical sentance without an equals sign
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Formula
An equation that results in a practical real-life solution. i.e. Finding the area of a rectangle,
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Identity
An equation that is true for every value.
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Simplify
To write an expression in the smallest way possible
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Solve
To find the value for a variable
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Variable
3x + 2, the variable is x as the value of it can change.
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Substitute
replace, To put a number in place of a variable
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Constant
A value that doesn't changes in an expression or equation. 3x + 2 (2 is the constant), πr² (π is the constant)
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## Other cards in this set

### Card 2

#### Front

A mathmatical sentance without an equals sign

Expression

### Card 3

#### Front

An equation that results in a practical real-life solution. i.e. Finding the area of a rectangle,

### Card 4

#### Front

An equation that is true for every value.

### Card 5

#### Front

To write an expression in the smallest way possible