Defining Variables - Concept

Concept Concept (1)

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Variables are used throughout math after Algebra, and are important to understand. A defining variable is a symbol, such as x, used to describe any number. When a variable is used in an function, we know that it is not just one constant number, but that it can represent many numbers. Variables are instrumental in understanding problems relating to graphing.

Sample Sample Problems (4)

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Defining Variables - Problem 1

Write the following equation in words:

m⁄4 = 5
Problem 1
How to write algebraic equations in words.
Defining Variables - Problem 2

Evaluate f − 4 when

a) f = 3
b) f = -2
Problem 2
How to evaluate algebraic expressions.
Defining Variables - Problem 4
Problem 4
Notation of multiplication versus addition or subtraction